GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

1-2 Shift Solenoid (1-2 SS) Valve

In the automatic transmission

Automatic Transmission Electronic Component Views for the 4L60-E/4L65-E transmission

or

Automatic Transmission Electronic Component Views for the 4L80-E/4L85-E transmission

Automatic Transmission Internal Connector End Views for the 4L60-E/4L65-E transmission

or

Automatic Transmission Internal Connector End Views for the 4L80-E/4L85-E transmission

2-3 Shift Solenoid (2-3 SS) Valve

In the automatic transmission

Automatic Transmission Electronic Component Views for the 4L60-E/4L65-E transmission

or

Automatic Transmission Electronic Component Views for the 4L80-E/4L85-E transmission

Automatic Transmission Internal Connector End Views for the 4L60-E/4L65-E transmission

or

Automatic Transmission Internal Connector End Views for the 4L80-E/4L85-E transmission

3-2 Shift Solenoid (3-2 SS) Valve

In the automatic transmission

Automatic Transmission Electronic Component Views for the 4L60-E/4L65-E transmission

Automatic Transmission Internal Connector End Views for the 4L60-E/4L65-E transmission

A/C Compressor Clutch (4.8L, 5.3L, 6.0L, and 8.1L)

Lower right front of engine on the A/C compressor

HVAC Component Views for the automatic system

or

HVAC Component Views for the manual system

HVAC Connector End Views for the automatic system

or

HVAC Connector End Views for the manual system

A/C Compressor Clutch (Diesel)

Upper left front of the engine

HVAC Component Views for the automatic system

or

HVAC Component Views for the manual system

HVAC Connector End Views for the automatic system

or

HVAC Connector End Views for the manual system

A/C Low Pressure Switch

On the right side of the A/C accumulator

HVAC Component Views for the automatic system

or

HVAC Component Views for the manual system

HVAC Connector End Views for the automatic system

or

HVAC Connector End Views for the manual system

A/C Refrigerant Pressure Sensor (Diesel and 4.3L)

Attached to the A/C high pressure line in back of the A/C compressor

HVAC Component Views for the automatic system

or

HVAC Component Views for the manual system

HVAC Connector End Views for the automatic system

or

HVAC Connector End Views for the manual system

A/C Refrigerant Pressure Sensor (4.8L, 5.3L, 6.0L, and 8.1L)

In the right front of the engine compartment on the A/C high pressure hose near the compressor

HVAC Component Views for the automatic system

or

HVAC Component Views for the manual system

HVAC Connector End Views for the automatic system

or

HVAC Connector End Views for the manual system

Accelerator Pedal Position (APP) Sensor (Except 4.3L)

On the driver floor board above the accelerator pedal

    •  Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Component Views for the 6.6L engine
    •  Engine Controls Component Views for the 8.1L engine
    •  Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Connector End Views for the 6.6L engine
    •  Engine Controls Connector End Views for the 8.1L engine

Air Temperature Actuator - Left

Near the bottom middle of the HVAC box

HVAC Component Views for the automatic system

or

HVAC Component Views for the manual system

HVAC Connector End Views for the automatic system

or

HVAC Connector End Views for the manual system

Air Temperature Actuator - Right

Near the top middle of the HVAC box

HVAC Component Views for the automatic system

or

HVAC Component Views for the manual system

HVAC Connector End Views for the automatic system

or

HVAC Connector End Views for the manual system

Air Temperature Sensor - Lower Left (CJ2)

On the left side of the HVAC box

HVAC Component Views for the automatic system

HVAC Connector End Views for the automatic system

Air Temperature Sensor - Lower Right (CJ2)

Near the bottom middle of the HVAC box in the floor duct

HVAC Component Views for the automatic system

HVAC Connector End Views for the automatic system

Air Temperature Sensor - Upper Left (CJ2)

Beneath the upper I/P trim panel in the air duct left side

HVAC Component Views for the automatic system

HVAC Connector End Views for the automatic system

Air Temperature Sensor - Upper Right (CJ2)

Beneath the upper I/P trim panel in the air duct right side

HVAC Component Views for the automatic system

HVAC Connector End Views for the automatic system

Air Temperature Sensor Assembly - Inside (CJ2)

In the headliner above the driver seat

HVAC Component Views for the automatic system

HVAC Connector End Views for the automatic system

Ambient Air Temperature Sensor (CJ2)

In the right front bumper filler assembly

HVAC Component Views for the automatic system

HVAC Connector End Views for the automatic system

Ambient Air Temperature Sensor (DF5)

Attached to the radiator core support behind the grille

Stationary Windows Component Views

Stationary Windows Connector End Views

Ambient Light Sensor (w/o CJ2)

On the top center of the I/P

Lighting Systems Component Views

Lighting Systems Connector End Views

Ambient Light/Sunload Sensor Assembly (CJ2)

On the top center of the I/P

HVAC Component Views for the automatic system

HVAC Connector End Views for the automatic system

A/T Shift Lock Control Solenoid

Attached to the steering column under the transmission selector lever

Shift Lock Control Component Views

Shift Lock Control Connector End Views

Audio Amplifier (UQ7)

Under the rear of the center console

Entertainment Component Views

Entertainment Connector End Views

Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch

In the automatic transmission

Automatic Transmission Electronic Component Views for the 4L60-E/4L65-E transmission

or

Automatic Transmission Electronic Component Views for the 4L80-E/4L85-E transmission

Automatic Transmission Internal Connector End Views for the 4L60-E/4L65-E transmission

or

Automatic Transmission Internal Connector End Views for the 4L80-E/4L85-E transmission

Automatic Transmission Fluid Temperature Sensor

In the automatic transmission

Automatic Transmission Electronic Component Views for the 4L60-E/4L65-E transmission

or

Automatic Transmission Electronic Component Views for the 4L80-E/4L85-E transmission

Automatic Transmission Internal Connector End Views for the 4L60-E/4L65-E transmission

or

Automatic Transmission Internal Connector End Views for the 4L80-E/4L85-E transmission

Automatic Transmission Input Shaft Speed (ISS) Sensor

In the automatic transmission

    •  Automatic Transmission Electronic Component Views for the 4L60-E/4L65-E transmission
    •  Automatic Transmission Electronic Component Views for the 4L80-E/4L85-E transmission
    •  Automatic Transmission Electronic Component Views for the Allison transmission
    •  Automatic Transmission Internal Connector End Views for the 4L60-E/4L65-E transmission
    •  Automatic Transmission Related Connector End Views for the 4L80-E/4L85-E transmission
    •  Automatic Transmission Related Connector End Views for the Allison transmission

Automatic Transmission Turbine Speed Sensor (MW7)

Upper left of the transmission to the rear of the bell housing

Automatic Transmission Electronic Component Views for the Allison transmission

Automatic Transmission Related Connector End Views for the Allison transmission

Auxiliary Battery Relay (TP2)

At the right side rear of the engine compartment

Engine Electrical Component Views

Engine Electrical Connector End Views

Auxiliary Power Outlet - Bin (Y91)

In the center console bin

Power Outlet Component Views

Power Outlet Connector End Views

Auxiliary Power Outlet - Console (UQ7 and Y91)

On the rear of the center console

Power Outlet Component Views

Power Outlet Connector End Views

Auxiliary Power Outlet - Front (Except UQ7 and Y91)

Center of the I/P below the HVAC control module

Power Outlet Component Views

Power Outlet Connector End Views

Auxiliary Power Outlet - Front (UQ7 and Y91)

Top front of the floor console

Power Outlet Component Views

Power Outlet Connector End Views

Auxiliary Power Outlet Switch (HP2)

In the instrument panel to the right of the HVAC control head

Power Outlet Component Views

Power Outlet Connector End Views

Auxiliary Power Outlet 120V AC - Exterior (HP2)

Mounted to the right rear interior wall of the bed

Power Outlet Component Views

Power Outlet Connector End Views

Auxiliary Power Outlet 120V AC - Interior (HP2)

Mounted to the front of the energy storage box under the rear seat

Power Outlet Component Views

Power Outlet Connector End Views

Auxiliary Transmission Fluid Pump (HP2)

Inside the transmission

--

Automatic Transmission Internal Connector End Views for the 4L60-E/4L65-E transmission

Auxiliary Water Pump (HP2)

On the right side of the engine compartment between the engine and the right wheel well

Cooling System Component Views

Cooling System Connector End Views

Back-Up Alarm (8S3)

At the rear bumper

Lighting Systems Component Views

Lighting Systems Connector End Views

Backup Lamp - Left

Part of the left rear lamp assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

Backup Lamp - Right

Part of the right rear lamp assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

Backup Lamp Switch (M/T)

On the left side of the transmission

Lighting Systems Component Views

Lighting Systems Connector End Views

Battery Cut Off Switch (HP2)

Attached to the energy storage box on the passenger side

Engine Electrical Component Views

Engine Electrical Connector End Views

Battery - Left

Left front corner of the engine compartment

Engine Electrical Component Views

Engine Electrical Connector End Views

Battery - Right (w/Dual Battery Only)

Right rear of the engine compartment

Engine Electrical Component Views

Engine Electrical Connector End Views

Battery 1 (HP2)

Under the rear seat inside the energy storage box

Engine Electrical Component Views

Engine Electrical Connector End Views

Battery 2 (HP2)

Under the rear seat inside the energy storage box

Engine Electrical Component Views

Engine Electrical Connector End Views

Battery 3 (HP2)

Under the rear seat inside the energy storage box

Engine Electrical Component Views

Engine Electrical Connector End Views

Blower Motor

Under the right side of the I/P mounted to the HVAC box

HVAC Component Views for the automatic system

or

HVAC Component Views for the manual system

HVAC Connector End Views for the automatic system

or

HVAC Connector End Views for the manual system

Blower Motor Control Processor (CJ2)

Under the right side of the I/P mounted to the HVAC box next to the blower motor

HVAC Component Views for the automatic system

HVAC Connector End Views for the automatic system

Blower Motor Resistor Assembly (CJ3)

Under the right side of the I/P mounted to the HVAC box next to the blower motor

HVAC Component Views for the manual system

HVAC Connector End Views for the manual system

Body Control Module (BCM)

On the lower left side of the I/P near the steering column

Computer/Integrating Systems Component Views

Computer/Integrating Systems Connector End Views

Brake Fluid Level Switch (Except JC4)

On the left side of the master cylinder

Hydraulic Brake Component Views

Hydraulic Brake Connector End Views

Brake Pedal Position Sensor (HP2)

Mounted to the brake pedal bracket assembly at the bulkhead under the left I/P

Power Steering Component Views

Power Steering Connector End Views

Brake Pressure Differential Switch (JC4)

In the brake line under the master cylinder in the combination valve

Hydraulic Brake Component Views

Hydraulic Brake Connector End Views

Camshaft Position (CMP) Sensor (4.8L, 5.3L, and 6.0L)

Top rear center of the engine

Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine

Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine

Camshaft Position (CMP) Sensor (8.1L)

On front of the engine left side below the water pump

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Camshaft Position (CMP) Sensor (4.3L)

In the distributor

Engine Controls Component Views for the 4.3L engine

Engine Controls Connector End Views for the 4.3L engine

Camshaft Position (CMP) Sensor (Diesel)

Mounted to the front engine cover above and to the right of the crankshaft

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Cargo Lamp

Mounted near the roof line at the rear of the cab with CHMSL

Lighting Systems Component Views

Lighting Systems Connector End Views

Cellular Microphone (UE1)

On the left side of the overhead console

Cellular Communication Component Views

Cellular Communication Connector End Views

Cellular and Navigation Antenna (UE1)

Mounted to the roof near the driver A-pillar

Cellular Communication Component Views

Cellular Communication Connector End Views

Center High Mounted Stop Lamp (CHMSL)

Mounted near the roof line at the rear of the cab

Lighting Systems Component Views

Lighting Systems Connector End Views

Central Sequential Fuel Injection (Central SFI) (4.3L)

Top of the engine between the throttle body and distributor

Engine Controls Component Views for the 4.3L engine

Engine Controls Connector End Views for the 4.3L engine

Cigar Lighter (Except UQ7 and Y91)

At the bottom center of the I/P

Power Outlet Component Views

Power Outlet Connector End Views

Cigar Lighter (UQ7 and Y91)

Top front of the floor console

Power Outlet Component Views

Power Outlet Connector End Views

Clearance Lamp - LF (R05)

Front of the left rear wheel flare

Lighting Systems Component Views

Lighting Systems Connector End Views

Clearance Lamp - LR (R05)

Rear of the left rear wheel flare

Lighting Systems Component Views

Lighting Systems Connector End Views

Clearance Lamp - RF (R05)

Front of the right rear wheel flare

Lighting Systems Component Views

Lighting Systems Connector End Views

Clearance Lamp - RR (R05)

Rear of the right rear wheel flare

Lighting Systems Component Views

Lighting Systems Connector End Views

Clearance Lamps (U01)

Center of the roof panel above the windshield

Lighting Systems Component Views

Lighting Systems Connector End Views

Clutch Pedal Position (CPP) Switch (M/T)

At the top of the clutch pedal assembly

    •  Manual Transmission Component Views for the NV3500 transmission
    •  Manual Transmission Component Views for the NV4500 transmission
    •  Manual Transmission Component Views for the ZF S6-650 transmission
    •  Manual Transmission Connector End Views for the NV3500 transmission
    •  Manual Transmission Connector End Views for the NV4500 transmission
    •  Manual Transmission Connector End Views for the ZF S6-650 transmission

Coolant Level Switch (8.1L and Diesel)

Right side of the engine compartment on the coolant reservoir bottle

Cooling System Component Views

Cooling System Connector End Views

Cooling Fan - Left (10 Series)

Front of the engine compartment on the engine cooling fan - left

Cooling System Component Views

Cooling System Connector End Views

Cooling Fan - Right (10 Series)

Front of the engine compartment on the engine cooling fan - right

Cooling System Component Views

Cooling System Connector End Views

Courtesy/Map Reading Lamps - Front (YE9)

Part of the overhead console in the front of the headliner

Lighting Systems Component Views

Lighting Systems Connector End Views

Courtesy/Reading Lamps - Rear (Crew Cab YE9 or Y91)

On the middle center of the headliner

Lighting Systems Component Views

Lighting Systems Connector End Views

Crankshaft Position (CKP) Sensor (4.8L, 5.3L, and 6.0L)

At the right rear side of the engine block

Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine

Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine

Crankshaft Position (CKP) Sensor (8.1L)

At the left rear side of the engine block behind the left valve cover

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Crankshaft Position (CKP) Sensor (4.3L)

At the right rear side of the engine block behind the starter

Engine Controls Component Views for the 4.3L engine

Engine Controls Connector End Views for the 4.3L engine

Crankshaft Position (CKP) Sensor (Diesel)

Mounted to the front engine cover to the right of the crankshaft

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Cruise Control Module (CCM) (4.3L)

mounted to front engine cover to the lower right side of the crankshaft

Cruise Control Component Views

Cruise Control Connector End Views

Cruise Control ON/OFF Switch

On the left side of the steering column, part of the turn signal/multifunction switch

--

--

CUST FEED Fuse

In the Fuse Block - Underhood

Power and Grounding Component Views

Electrical Center Identification Views

Data Link Connector (DLC)

On the lower left side of the I/P

Computer/Integrating Systems Component Views

Computer/Integrating Systems Connector End Views

Daytime Running Lamp (DRL) - Left

Below the left headlamp assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

Daytime Running Lamp (DRL) - Right

Below the right headlamp assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

Digital Radio Receiver (U2K)

Behind the I/P compartment on the passenger side

Entertainment Component Views

Entertainment Connector End Views

Dome Lamp - Rear (Except Crew Cab w/YE9 or Y91)

On the center rear of the headliner

Lighting Systems Component Views

Lighting Systems Connector End Views

Door Courtesy Lamp - LF (W/YE9)

On the left front door trim panel

Lighting Systems Component Views

Lighting Systems Connector End Views

Door Courtesy Lamp - RF (YE9)

On the right front door trim panel

Lighting Systems Component Views

Lighting Systems Connector End Views

Door Latch Assembly - Driver

In the driver door

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Latch Assembly - Passenger

In the passenger front door

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Latch Assembly - LR

In the LR door

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Latch Assembly - RR

In the RR door

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Switch - Driver (w/o A31)

On the left front door trim panel

Power Door Systems Component Views

Power Door Systems Connector End Views

Door Lock Switch - Passenger (w/o A31)

On the right front door trim panel

Power Door Systems Component Views

Power Door Systems Connector End Views

Driver Door Module (DDM) (YE9)

Behind the driver door trim panel below the switch assembly

Power Door Systems Component Views

Power Door Systems Connector End Views

Driver Shift Request Switch

Part of the automatic transmission shift lever

--

--

EHPS Fuse (HP2)

Part of the 42-Volt harness, below the starter generator control module next to C121

--

--

Electric Machine (HP2)

Between the engine and the transmission

Engine Electrical Component Views

Engine Electrical Connector End Views

Electronic Brake Control Module (EBCM)

On the inside of the left frame rail

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Electro Hydraulic Power Steering (EHPS) Module (HP2)

Attached to the left front of the engine

Power Steering Component Views

Power Steering Connector End Views

Electronic Power Take Off (EPTO) Switch (HP2)

Center of the I/P

Power Outlet Component Views

Power Outlet Connector End Views

Emergency Vehicle Roof Lamp Relay (5Y0)

LR of the engine compartment above the wheelhouse

Power and Grounding Component Views

Power and Grounding Connector End Views

Energy Storage Box (ESB) (HP2)

Under the rear passenger seat

Engine Electrical Component Views

Engine Electrical Connector End Views

Energy Storage Box (ESB) Fan (HP2)

In the energy storage box near the center

Engine Electrical Component Views

Engine Electrical Connector End Views

Energy Storage Control Module (ESCM) (HP2)

In the energy storage box

Engine Electrical Component Views

Engine Electrical Connector End Views

Engine Control Module (ECM) (Diesel)

At the left front side of the engine compartment

Engine Controls Component Views for the 6.6L engine

Engine Control Module Connector End Views for the 6.6L engine

Engine Coolant Temperature (ECT) Sensor (4.8L, 5.3L, and 6.0L)

Left front cylinder head at the number 1 exhaust port

Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine

Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine

Engine Coolant Temperature (ECT) Sensor (8.1L)

Near the right cylinder head between the number 6 and 8 exhaust ports

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Engine Coolant Temperature (ECT) Sensor (4.3L)

Mounted in left cylinder head between the number 3 and 5 exhaust ports

Engine Controls Component Views for the 4.3L engine

Engine Controls Connector End Views for the 4.3L engine

Engine Coolant Temperature (ECT) Sensor (Diesel)

Top of the engine near the oil fill tube

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Engine Oil Level Switch (4.8L, 5.3L, 6.0L, and 8.1L)

Lower right side of the oil pan

    •  Engine Controls Component Views for the 4.3L engine
    •  Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Component Views for the 8.1L engine
    •  Engine Controls Connector End Views for the 4.3L engine
    •  Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Connector End Views for the 8.1L engine

Engine Oil Level Switch (Diesel)

Mounted on the left side of the oil pan

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Engine Oil Pressure (EOP) Sensor (Gas)

Rear center of the engine block near the top

    •  Engine Controls Component Views for the 4.3L engine
    •  Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Component Views for the 8.1L engine
    •  Engine Controls Connector End Views for the 4.3L engine
    •  Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Connector End Views for the 8.1L engine

Engine Oil Pressure (EOP) Sensor (Diesel)

On the left rear side of the engine block

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Evaporative Emission (EVAP) Canister Purge Solenoid Valve (4.8L, 5.3L, and 6.0L)

Behind the throttle body near the front of the engine

Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine

Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine

Evaporative Emission (EVAP) Canister Purge Solenoid Valve (8.1L)

Left side of the throttle body near the left of the engine

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Evaporative Emission (EVAP) Canister Purge Solenoid Valve (4.3L)

Attached to the intake manifold on the right side of the engine to the rear of the ignition coil

Engine Controls Component Views for the 4.3L engine

Engine Controls Connector End Views for the 4.3L engine

Evaporative Emission (EVAP) Canister Vent Solenoid Valve (10 Series Gas)

Mounted to the right rear corner of the fuel tank

Engine Controls Component Views for the 4.3L engine

or

Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine

Engine Controls Connector End Views for the 4.3L engine

or

Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine

Evaporative Emission (EVAP) Canister Vent Solenoid Valve (Except 10 Series Gas and Diesel)

Mounted to the right front corner of the fuel tank

Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Connector End Views for the 8.1L engine

Exhaust Gas Recirculation (EGR) Valve (Diesel)

Right side of the engine above cylinder #1

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Fog Lamp - LF

Left front of the vehicle below the bumper

Lighting Systems Component Views

Lighting Systems Connector End Views

Fog Lamp - RF

Right front of the vehicle below the bumper

Lighting Systems Component Views

Lighting Systems Connector End Views

Fog Lamp Switch

Part of the multifunction accessory switch assembly to the right of the headlamp switch

Lighting Systems Component Views

Lighting Systems Connector End Views

Front Axle Actuator (NP1)

On the right center of the front axle housing

Transfer Case Control Component Views for the NVG 263-NP1 transfer case

Transfer Case Control Connector End Views for the NVG 263-NP1 transfer case

Front Axle Actuator (NP2/NP8)

On the right center of the front axle housing

Transfer Case Control Component Views for the NVG 261-NP2 transfer case

or

Transfer Case Control Component Views for the NVG 246-NP8 transfer case

Transfer Case Control Connector End Views for the NVG 261-NP2 transfer case

or

Transfer Case Control Connector End Views for the NVG 246-NP8 transfer case

Fuel Heater (Diesel)

Near the top of the fuel filter on the right side of the engine

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Fuel Injector 1 (Gas)

On the left side of the intake manifold near the front of the engine at cylinder #1

    •  Engine Controls Component Views for the 4.3L engine
    •  Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Component Views for the 8.1L engine
    •  Engine Controls Connector End Views for the 4.3L engine
    •  Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Connector End Views for the 8.1L engine

Fuel Injector 1 (Diesel)

Near the right side engine rocker cover above cylinder #1

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Fuel Injector 2 (Gas)

On the right side of the intake manifold near the front of the engine at cylinder #2

    •  Engine Controls Component Views for the 4.3L engine
    •  Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Component Views for the 8.1L engine
    •  Engine Controls Connector End Views for the 4.3L engine
    •  Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Connector End Views for the 8.1L engine

Fuel Injector 2 (Diesel)

Near the left side engine rocker cover above cylinder #2

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Fuel Injector 3 (Gas)

On the left side of the intake manifold near the middle of the engine at cylinder #3

    •  Engine Controls Component Views for the 4.3L engine
    •  Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Component Views for the 8.1L engine
    •  Engine Controls Connector End Views for the 4.3L engine
    •  Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Connector End Views for the 8.1L engine

Fuel Injector 3 (Diesel)

Near the right side engine rocker cover above cylinder #3

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Fuel Injector 4 (Gas)

On the right side of the intake manifold near the middle of the engine at cylinder #4

    •  Engine Controls Component Views for the 4.3L engine
    •  Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Component Views for the 8.1L engine
    •  Engine Controls Connector End Views for the 4.3L engine
    •  Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Connector End Views for the 8.1L engine

Fuel Injector 4 (Diesel)

Near the left side engine rocker cover above cylinder #4

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Fuel Injector 5 (Gas)

On the left side of the intake manifold near the middle of the engine

    •  Engine Controls Component Views for the 4.3L engine
    •  Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Component Views for the 8.1L engine
    •  Engine Controls Connector End Views for the 4.3L engine
    •  Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Connector End Views for the 8.1L engine

Fuel Injector 5 (Diesel)

Near the right side engine rocker cover above cylinder #5

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Fuel Injector 6 (Gas)

On the right side of the intake manifold near the middle of the engine at cylinder #6

    •  Engine Controls Component Views for the 4.3L engine
    •  Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Component Views for the 8.1L engine
    •  Engine Controls Connector End Views for the 4.3L engine
    •  Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Connector End Views for the 8.1L engine

Fuel Injector 6 (Diesel)

Near the left side engine rocker cover above cylinder #6

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Fuel Injector 7 (Gas)

On the left side of the intake manifold near the rear of the engine at cylinder #7

    •  Engine Controls Component Views for the 4.3L engine
    •  Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Component Views for the 8.1L engine
    •  Engine Controls Connector End Views for the 4.3L engine
    •  Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Connector End Views for the 8.1L engine

Fuel Injector 7 (Diesel)

Near the right side engine rocker cover above cylinder #7

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Fuel Injector 8 (Gas)

On the right side of the intake manifold near the rear of the engine at cylinder #8

    •  Engine Controls Component Views for the 4.3L engine
    •  Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Component Views for the 8.1L engine
    •  Engine Controls Connector End Views for the 4.3L engine
    •  Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Connector End Views for the 8.1L engine

Fuel Injector 8 (Diesel)

Near the left side engine rocker cover above cylinder #8

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Fuel Level Sensor - Primary (Diesel)

In the primary fuel tank

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Fuel Level Sensor - Secondary (Diesel)

In the secondary fuel tank

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Fuel Pressure Regulator (Diesel)

Mounted to the injection pump at the front of the engine center

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Fuel Rail Pressure (FRP) Sensor (Diesel)

Top of the engine mounted to the right fuel rail

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Fuel Pump (Diesel) (Auxiliary Tank)

Left frame rail behind the primary fuel tank

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Fuel Pump (FP) Relay - Secondary (w/o NQZ)

On the fuse block - underhood bracket

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Fuel Pump and Sender Assembly - Primary (Gas)

In the primary fuel tank

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Fuel Pump and Sender Assembly - Secondary (w/Dual Tanks) (Gas)

In the secondary fuel tank

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Fuel Tank Pressure (FTP) Sensor (Gas)

Part of the fuel pump and sender assembly - primary

    •  Engine Controls Component Views for the 4.3L engine
    •  Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Component Views for the 8.1L engine
    •  Engine Controls Connector End Views for the 4.3L engine
    •  Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Connector End Views for the 8.1L engine

Fuel Rail Temperature (FRT) Sensor (Diesel)

Left top of the engine in front of the glow plug controller, to the left of the turbo assembly

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Fuse Block - I/P

Left side of the I/P behind the access panel

Power and Grounding Component Views

Electrical Center Identification Views

Fuse Block - Mobile Radio (9L4)

Right side of the I/P behind the I/P compartment

Power and Grounding Component Views

Electrical Center Identification Views

Fuse Block - Underhood

Left side of the engine compartment to the rear of the battery

Power and Grounding Component Views

Electrical Center Identification Views

Fuse Block - Underhood - Cooling Fan (10 Series)

Left side of the engine compartment to the rear of the battery

Power and Grounding Component Views

Electrical Center Identification Views

Fuse Block - Underhood - Secondary (HP2)

Left side of the engine compartment to the rear of the battery

Power and Grounding Component Views

Electrical Center Identification Views

Fusible Link 1 (Diesel)

In the battery cable harness, approximately 18 cm from the junction block battery cable

--

--

Fusible Link 1 (4.3L)

in the battery cable harness approximately 18 cm from the junction block - battery cable

--

--

Fusible Link 1 (4.8L, 5.3L and 6.0L)

in the battery cable harness connected to the junction block - battery cable

--

--

Fusible Link 1 (8.1L)

in the battery cable harness approximately 18 cm from the junction block - battery cable

--

--

Fusible Link 2 (Diesel w/K65/8X5)

In the battery cable harness, connected to the junction block battery cable

--

--

Fusible Link 3 (Diesel)

at the glow plug control module (GPCM) connector - C1 between 125A mega fuse and GPCM

--

--

Fusible Link 4 (9L4)

In the accessory jumper harness, approximately 50 cm from the ring terminal of the mega fuse holder, near the fuse block - underhood

--

--

Fusible Link 5 (TP2/5X7)

In the auxiliary/wrecker battery cable harness, approximately 18 cm from the relay ring terminal

--

--

Fusible Link 6 (TP2)

In the auxiliary battery cable harness, approximately 18 cm from auxiliary battery relay

--

--

Garage Door Opener (UG1)

Mounted in the overhead console

Garage Door Opener Component Views

Garage Door Opener Connector End Views

Generator - Gas (4.3L)

Top right front of the engine

Engine Electrical Component Views

Engine Electrical Connector End Views

Generator - Gas (Except 4.3L and HP2)

Top left front of the engine

Engine Electrical Component Views

Engine Electrical Connector End Views

Generator - Left (K65 or 8X5)

Top left front of the engine

Engine Electrical Component Views

Engine Electrical Connector End Views

Generator - Right (Diesel)

Top right front of the engine

Engine Electrical Component Views

Engine Electrical Connector End Views

Generator Battery Control Module (10 Series Except HP2)

Left front corner of the engine compartment on the battery negative cable

Engine Electrical Component Views

Engine Electrical Connector End Views

Glow Plug 1 (Diesel)

Right side of the engine above cylinder #1

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Glow Plug 2 (Diesel)

Left side of the engine above cylinder #2

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Glow Plug 3 (Diesel)

Right side of the engine above cylinder #3

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Glow Plug 4 (Diesel)

Left side of the engine above cylinder #4

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Glow Plug 5 (Diesel)

Right side of the engine above cylinder #5

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Glow Plug 6 (Diesel)

Left side of the engine above cylinder #6

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Glow Plug 7 (Diesel)

Right side of the engine above cylinder #7

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Glow Plug 8 (Diesel)

Left side of the engine above cylinder #8

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Glow Plug Control Module (GPCM) (Diesel)

Left rear of the engine above the rocker cover to the left of the turbocharger

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

GLOW PLUG Fuse

In the fuse block- underhood

Power and Grounding Component Views

Electrical Center Identification Views

Hazard Switch

Upper top of the steering column, part of the turn signal/multifunction switch

--

--

Headlamp - High Beam - Left

Left front of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Headlamp - High Beam - Right

Right front of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Headlamp - Low Beam - Left

Left front of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Headlamp - Low Beam - Right

Right front of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Headlamp Switch

Left side of the I/P

Lighting Systems Component Views

Lighting Systems Connector End Views

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 (Gas)

In the left exhaust pipe before the catalytic converter

    •  Engine Controls Component Views for the 4.3L engine
    •  Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Component Views for the 8.1L engine
    •  Engine Controls Connector End Views for the 4.3L engine
    •  Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Connector End Views for the 8.1L engine

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 (Gas)

In the left exhaust pipe after the catalytic converter

    •  Engine Controls Component Views for the 4.3L engine
    •  Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Component Views for the 8.1L engine
    •  Engine Controls Connector End Views for the 4.3L engine
    •  Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Connector End Views for the 8.1L engine

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 (Gas)

In the right exhaust pipe before the catalytic converter

    •  Engine Controls Component Views for the 4.3L engine
    •  Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Component Views for the 8.1L engine
    •  Engine Controls Connector End Views for the 4.3L engine
    •  Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Connector End Views for the 8.1L engine

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 (Gas)

In the right exhaust pipe after the catalytic converter

    •  Engine Controls Component Views for the 4.3L engine
    •  Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Component Views for the 8.1L engine
    •  Engine Controls Connector End Views for the 4.3L engine
    •  Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Connector End Views for the 8.1L engine

Heated Seat Switch - Passenger (AN3)

Mounted on the front passenger door trim panel above the door handle

Power Seat Component Views

Power Seat Connector End Views

Heated Seat Element - Driver Cushion (AN3)

Under the driver front seat bottom upholstery

Power Seat Component Views

Power Seat Connector End Views

Heated Seat Element - Passenger Cushion (AN3)

Under the passenger front seat bottom upholstery

Power Seat Component Views

Power Seat Connector End Views

Hood Ajar Switch (HP2)

In the engine compartment

--

Engine Electrical Connector End Views

Horn - Left

On the lower left corner of the core support

Horn Component Views

Horn Connector End Views

Horn - Right

On the lower right corner of the core support

Horn Component Views

Horn Connector End Views

Horn Switch

In the steering wheel behind the inflatable restraint steering wheel module

Horn Component Views

--

HVAC Control Module

Middle of the I/P below the radio

HVAC Component Views for the automatic system

or

HVAC Component Views for the manual system

HVAC Connector End Views for the automatic system

or

HVAC Connector End Views for the manual system

Hybrid Control Module (HCM) (HP2)

Left side of the engine compartment attached to the fan shroud

Engine Electrical Component Views

Engine Electrical Connector End Views

HYBRID fuse

In the fuse block - underhood

Power and Grounding Component Views

Electrical Center Identification Views

Idle Air Control (IAC) Valve (4.3L)

Mounted to the throttle body

Engine Controls Component Views for the 4.3L engine

Engine Controls Connector End Views for the 4.3L engine

Ignition Coil (4.3L)

On the top right side of the engine

Engine Controls Component Views for the 4.3L engine

Engine Controls Connector End Views for the 4.3L engine

Ignition Coil 1 (4.8L, 5.3L, 6.0L, and 8.1L)

On the left rocker cover near the front of the engine at #1 cylinder

Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Connector End Views for the 8.1L engine

Ignition Coil 2 (4.8L, 5.3L, 6.0L, and 8.1L)

On the right rocker cover near the front of the engine at #2 cylinder

Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Connector End Views for the 8.1L engine

Ignition Coil 3 (4.8L, 5.3L, 6.0L, and 8.1L)

On the left rocker cover near the middle of the engine at #3 cylinder

Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Connector End Views for the 8.1L engine

Ignition Coil 4 (4.8L, 5.3L, 6.0L, and 8.1L)

On the right rocker cover near the middle of the engine at #4 cylinder

Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Connector End Views for the 8.1L engine

Ignition Coil 5 (4.8L, 5.3L, 6.0L, and 8.1L)

On the left rocker cover near the middle of the engine at #5 cylinder

Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Connector End Views for the 8.1L engine

Ignition Coil 6 (4.8L, 5.3L, 6.0L, and 8.1L)

On the right rocker cover near the middle of the engine at #6 cylinder

Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Connector End Views for the 8.1L engine

Ignition Coil 7 (4.8L, 5.3L, 6.0L, and 8.1L)

On the left rocker cover near the rear of the engine at #7 cylinder

Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Connector End Views for the 8.1L engine

Ignition Coil 8 (4.8L, 5.3L, 6.0L, and 8.1L)

On the right rocker cover near the rear of the engine at #8 cylinder

Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Connector End Views for the 8.1L engine

Ignition Control Module (ICM) (4.3L)

mounted to the right front of the intake manifold in front of the ignition coil

Engine Controls Component Views for the 4.3L engine

Engine Controls Connector End Views for the 4.3L engine

Ignition Key Alarm Switch

On the ignition key cylinder housing

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Ignition Switch

In the upper steering column on the ignition key cylinder housing

Power and Grounding Component Views

Power and Grounding Connector End Views

Inflatable Restraint Front End Sensor - Left (w/o HVY)

On the left front of the vehicle by the core support

SIR Component Views

SIR Connector End Views

Inflatable Restraint Front End Sensor - Right (w/o HVY)

On the right front of the vehicle by the core support

SIR Component Views

SIR Connector End Views

Inflatable Restraint Front End Sensor (HVY)

Below the radiator core support in the center of the vehicle

SIR Component Views

SIR Connector End Views

Inflatable Restraint I/P Module

On the right side of the I/P above the I/P compartment

SIR Component Views

SIR Connector End Views

Inflatable Restraint I/P Module Disable Switch (Except 10 Series and Crew Cab)

In the I/P to the right of the radio

SIR Component Views

SIR Connector End Views

Inflatable Restraint Passenger Presence System (PPS) Module (AL0)

Under the passenger seat attached to the seat frame

SIR Component Views

SIR Connector End Views

Inflatable Restraint Passenger Seat Belt Tension Retractor Sensor (AL0)

On the right side of the passenger seat attached to the seat belt retractor

SIR Component Views

SIR Connector End Views

Inflatable Restraint Passenger Presence System (PPS) Sensor (AL0)

Under the front passenger seat attached to the seat frame

SIR Component Views

SIR Connector End Views

Inflatable Restraint Seat Position Sensor (SPS) - Left (AL0)

On the left front outboard seat track

SIR Component Views

SIR Connector End Views

Inflatable Restraint Seat Position Sensor (SPS) - Right (AL0)

On the right front outboard seat track

SIR Component Views

SIR Connector End Views

Inflatable Restraint Side Impact Sensor - (SIS) Right (HP2)

Behind the passenger side door panel near the bottom of the door

SIR Component Views

SIR Connector End Views

Inflatable Restraint Sensing and Diagnostic Module (SDM)

Under the driver seat

SIR Component Views

SIR Connector End Views

Inflatable Restraint Steering Wheel Module

In the center of the steering wheel

SIR Component Views

SIR Connector End Views

Inflatable Restraint Steering Wheel Module Coil

Between the steering wheel and the steering column

SIR Component Views

SIR Connector End Views

Inside Rearview Mirror

Mounted to the windshield at the center of the window

Stationary Windows Component Views

Stationary Windows Connector End Views

Instrument Panel Cluster (IPC)

Above the steering column in the I/P

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Intake Air Heater (IAH) Module (Diesel)

Mounted at the front of the engine center

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Intake Air Heater Fuse (Diesel)

In the left front of the engine compartment near the fuse block - underhood

Power and Grounding Component Views

--

Intake Air Temperature (IAT) Sensor 2 (Diesel)

top front of engine near the turbo charger

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Internal Mode Switch (MW7)

In the automatic transmission

--

--

Junction Block - Battery Cable

Left side of the engine compartment attached below the generator

--

--

Junction Block - I/P

Right side of the I/P behind the access panel

Power and Grounding Component Views

Electrical Center Identification Views

Junction Block - Rear Lamps

Inside of the left frame rail near the rear of the vehicle

Power and Grounding Component Views

Electrical Center Identification Views

Knock Sensor (KS) (4.3L)

On the top left rear of the engine block

Engine Controls Component Views for the 4.3L engine

Engine Controls Connector End Views for the 4.3L engine

Knock Sensor (KS) - 1 (4.8L, 5.3L, and 6.0L)

Under the intake manifold front

Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine

Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine

Knock Sensor (KS) - 2 (4.8L, 5.3L, and 6.0L)

At the rear of the engine under the intake manifold

Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine

Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine

Knock Sensor (KS) - Bank 1 (8.1L)

On the left side of the engine near the exhaust manifold

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

Knock Sensor (KS) - Bank 2 (8.1L)

On the right side of the engine near the exhaust manifold

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 8.1L engine

License Lamp - Left

To the left of the license plate mounting holes

Lighting Systems Component Views

Lighting Systems Connector End Views

License Lamp - Right

To the right of the license plate mounting holes

Lighting Systems Component Views

Lighting Systems Connector End Views

Manifold Absolute Pressure (MAP) Sensor (4.3L)

On the rear of the intake manifold

Engine Controls Component Views for the 4.3L engine

Engine Controls Connector End Views for the 4.3L engine

Manifold Absolute Pressure (MAP) Sensor (4.8L, 5.3L, 6.0L and 8.1L)

Rear of the engine mounted to the top of the intake manifold

Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Connector End Views for the 8.1L engine

Manifold Absolute Pressure (MAP) Sensor ( Diesel)

Mounted to the intake air tube in front of the intake air heater (IAH) module

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Marker Lamp - LF

Left front of the vehicle near the headlamps

Lighting Systems Component Views

Lighting Systems Connector End Views

Marker Lamp - RF

Right front of the vehicle near the headlamps

Lighting Systems Component Views

Lighting Systems Connector End Views

Marker Lamp - LR (X88)

Part of the left rear tail lamp assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

Marker Lamp - RR (X88)

Part of the right rear tail lamp assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

Marker Lamp - Tailgate (E63/RO5)

Below the tailgate directly above the license plate

Lighting Systems Component Views

Lighting Systems Connector End Views

Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor (Diesel)

Part of the air induction system between the air cleaner assembly and the throttle body

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor (Gas)

Part of the air induction system between the air cleaner assembly and the throttle body

    •  Engine Controls Component Views for the 4.3L engine
    •  Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Component Views for the 8.1L engine
    •  Engine Controls Connector End Views for the 4.3L engine
    •  Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Connector End Views for the 8.1L engine

Memory/Heated Seat Switch (AN3)

Attached to the driver door trim panel above the door handle

Power Seat Component Views

Power Seat Connector End Views

Memory Seat Module (AN3)

Under the driver seat

Power Seat Component Views

Power Seat Connector End Views

Mod Main Pressure Control Solenoid (MW7)

In the automatic transmission

Automatic Transmission Electronic Component Views for the Allison transmission

Automatic Transmission Internal Connector End Views for the Allison transmission

Mode Actuator

On the left side of the HVAC box

HVAC Component Views for the automatic system

or

HVAC Component Views for the manual system

HVAC Connector End Views for the automatic system

or

HVAC Connector End Views for the manual system

Multifunction Accessory Switch

In the I/P to the right of the headlamp switch

Lighting Systems Component Views

Lighting Systems Connector End Views

Noise Compensation Microphone (UQ7 w/Y91)

Driver side front of the center console

Cellular Communication Component Views

Cellular Communication Connector End Views

OnStar Button Assembly (UE1)

Part of the inside rearview mirror assembly

Cellular Communication Component Views

Cellular Communication Connector End Views

Park Brake Switch

Mounted near the top of the park brake pedal assembly

Hydraulic Brake Component Views

Hydraulic Brake Connector End Views

Park/Neutral Position (PNP) Switch (A/T Except MW7)

On the left side of the transmission

Automatic Transmission Electronic Component Views for the 4L60-E/4L65-E transmission

Automatic Transmission Related Connector End Views for the 4L60-E/4L65-E transmission

or

Automatic Transmission Related Connector End Views for the 4L80-E/4L85-E transmission

Passenger Door Module (PDM) (YE9)

Behind the front passenger door trim panel below the switch assembly

Power Door Systems Component Views

Power Door Systems Connector End Views

Passlock Sensor

Part of the ignition lock cylinder case in the steering column

Theft Deterrent System Component Views

Theft Deterrent System Connector End Views

Park/Turn Signal Lamp - LF

Left front of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Park/Turn Signal Lamp - RF

Right front of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Pressure Control Solenoid 1 (PCS1) (MW7)

In the automatic transmission

Automatic Transmission Electronic Component Views for the Allison transmission

Automatic Transmission Internal Connector End Views for the Allison transmission

Pressure Control Solenoid 2 (PCS2) (MW7)

In the automatic transmission

Automatic Transmission Electronic Component Views for the Allison transmission

Automatic Transmission Internal Connector End Views for the Allison transmission

Power Take Off (PTO) Relay (PTO)

On the fuse block - underhood bracket

Power Take-Off (PTO) Component Views

Power Take-Off (PTO) Connector End Views

Power Take Off (PTO) Switch (PTO)

In the middle of the I/P under the radio near the HVAC controls

Power Take-Off (PTO) Component Views

Power Take-Off (PTO) Connector End Views

Powertrain Control Module (PCM)

Left front of the engine compartment to the left of the fan shroud

    •  Engine Controls Component Views for the 4.3L engine
    •  Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine
    •  Engine Controls Component Views for the 8.1L engine
    •  Powertrain Control Module Connector End Views for the 4.3L engine
    •  Powertrain Control Module Connector End Views for the 4.8L, 5.3L, and 6.0L engine
    •  Powertrain Control Module Connector End Views for the 8.1L engine

Pressure Control (PC) Solenoid Valve

In the automatic transmission

    •  Component Location for the 4L60-E/4L65-E transmission
    •  Component Location for the 4L80-E/4L85-E transmission
    •  Automatic Transmission Electronic Component Views for the Allison Transmission
    •  Automatic Transmission Related Connector End Views for the 4L60-E/4L65-E transmission
    •  Automatic Transmission Related Connector End Views for the 4L80-E/4L85-E transmission
    •  Automatic Transmission Related Connector End Views for the Allison transmission

Pressure Switch Manifold (PSM) (MW7)

In the automatic transmission

Automatic Transmission Electronic Component Views for the Allison transmission

Automatic Transmission Internal Connector End Views for the Allison transmission

Propshaft Speed Sensor - Front (NP8)

On the left front side of the transfer case

Transfer Case Control Component Views for the NVG 246-NP8 transfer case

Transfer Case Control Connector End Views for the NVG 246-NP8 transfer case

Propshaft Speed Sensor - Rear (NP8)

On the transfer case extension housing

Transfer Case Control Component Views for the NVG 246-NP8 transfer case

Transfer Case Control Connector End Views for the NVG 246-NP8 transfer case

Radio

Center of the I/P above the HVAC controls

Entertainment Component Views

Entertainment Connector End Views

Rear Seat Audio (RSA) Controller (UK6)

Mounted in the rear of the center console

Entertainment Component Views

Entertainment Connector End Views

Rear Seat Entertainment (RSE) Assembly (U42)

Center of the vehicle mounted in the headliner

Entertainment Component Views

Entertainment Connector End Views

Rear Window Defogger Grid

Attached to the rear glass

Stationary Windows Component Views

Stationary Windows Connector End Views

Recirculation Actuator

In the top center of the HVAC module

HVAC Component Views for the automatic system

or

HVAC Component Views for the manual system

HVAC Connector End Views for the automatic system

or

HVAC Connector End Views for the manual system

Relay Block - I/P

Below the I/P to the left of the steering column

Power and Grounding Component Views

Electrical Center Identification Views

Remote Playback Device - CD Player (U1S)

In the center of the I/P below the radio

Entertainment Component Views

Entertainment Connector End Views

Roof Beacon Relay (5G4/TRW)

Attached to the left side B-pillar, behind the trim panel

Lighting Systems Component Views

Lighting Systems Connector End Views

Roof Beacon Switch (5G4/TRW/50Y/5X7)

Center of the I/P attached to the accessory switch housing

Lighting Systems Component Views

Lighting Systems Connector End Views

Roof Marker Lamp - Left (U01)

In the roof panel near the driver A-pillar

Lighting Systems Component Views

Lighting Systems Connector End Views

Roof Marker Lamp - Right (U01)

In the roof panel near the passenger A-pillar

Lighting Systems Component Views

Lighting Systems Connector End Views

Seat Adjuster Switch - Driver (AG1)

Left side of the driver seat cushion

Power Seat Component Views

Power Seat Connector End Views

Seat Adjuster Switch - Passenger (AG2)

Right side of the front passenger seat cushion

Power Seat Component Views

Power Seat Connector End Views

Seat Belt Buckle - Driver

To the right of the driver seat cushion

Seat Belt Component Views

Seat Belt Connector End Views

Seat Belt Buckle - Passenger

To the left of the passenger seat cushion

Seat Belt Component Views

Seat Belt Connector End Views

Seat Belt Switch - Driver

In the driver side seat belt buckle

--

--

Seat Belt Switch - Passenger (AL0)

In the front passenger side seat belt buckle

--

--

Seat Bolster/Lumbar Switch - Driver (AN3)

Left side of the driver seat cushion

Power Seat Component Views

Power Seat Connector End Views

Seat Bolster/Lumbar Switch - Passenger (AN3)

Right side of the front passenger seat cushion

Power Seat Component Views

Power Seat Connector End Views

Seat Bolster Motor - Driver (AN3)

Attached to the driver seat back frame

Power Seat Component Views

Power Seat Connector End Views

Seat Bolster Motor - Passenger (AN3)

Attached to the front passenger seat back frame

Power Seat Component Views

Power Seat Connector End Views

Seat Bolster Motor Position Sensor - Driver (AN3)

Attached to the driver seat bolster motor in the seat back frame

Power Seat Component Views

Power Seat Connector End Views

Seat Front Vertical Motor - Driver (AG1)

Mounted to the driver seat track

Power Seat Component Views

Power Seat Connector End Views

Seat Front Vertical Motor - Passenger (AG2)

Mounted to the front passenger seat track

Power Seat Component Views

Power Seat Connector End Views

Seat Front Vertical Position Sensor - Driver (AN3)

Attached to the seat front vertical motor under the driver seat

Power Seat Component Views

Power Seat Connector End Views

Seat Horizontal Motor - Driver (AG1)

Mounted to the front of the driver seat track

Power Seat Component Views

Power Seat Connector End Views

Seat Horizontal Motor - Passenger (AG2)

Mounted to the front of the front passenger seat track

Power Seat Component Views

Power Seat Connector End Views

Seat Horizontal Motor Position Sensor - Driver (AN3)

Attached to the seat horizontal motor under the driver seat

Power Seat Component Views

Power Seat Connector End Views

Seat Lumbar Motor - Driver (AG1)

Attached to the driver seat back frame

Power Seat Component Views

Power Seat Connector End Views

Seat Lumbar Motor - Passenger (AG2)

Attached to the front passenger seat back frame

Power Seat Component Views

Power Seat Connector End Views

Seat Lumbar Motor Position Sensor - Driver (AN3)

Attached to the driver seat lumbar motor in the seat back frame

Power Seat Component Views

Power Seat Connector End Views

Seat Recliner Motor - Driver (AN3)

On the driver seat track

Power Seat Component Views

Power Seat Connector End Views

Seat Recliner Motor - Passenger (AN3)

Attached to the front passenger seat track

Power Seat Component Views

Power Seat Connector End Views

Seat Recliner Motor Position Sensor - Driver (AN3)

On the driver seat track

Power Seat Component Views

Power Seat Connector End Views

Seat Rear Vertical Motor - Driver (AG1)

Mounted to the driver seat track

Power Seat Component Views

Power Seat Connector End Views

Seat Rear Vertical Motor - Passenger (AG2)

Mounted to the front passenger seat track

Power Seat Component Views

Power Seat Connector End Views

Seat Rear Vertical Position Sensor - Driver (AN3)

Attached to the driver seat rear vertical motor under the driver seat

Power Seat Component Views

Power Seat Connector End Views

Selectable Ride Switch (ZX3)

Center of the I/P near the radio

Suspension Controls Component Views

Suspension Controls Connector End Views

Shift Solenoid 1 (SS1) (MW7)

In the automatic transmission

Automatic Transmission Electronic Component Views for the Allison transmission

Automatic Transmission Internal Connector End Views for the Allison transmission

Shift Solenoid 2 (SS2) (MW7)

In the automatic transmission

Automatic Transmission Electronic Component Views for the Allison transmission

Automatic Transmission Internal Connector End Views for the Allison transmission

Shift Solenoid 3 (SS3) (MW7)

In the automatic transmission

Automatic Transmission Electronic Component Views for the Allison transmission

Automatic Transmission Internal Connector End Views for the Allison transmission

Shock Absorber Solenoid - LF (ZX3)

Part of the left front shock

Suspension Controls Component Views

Suspension Controls Connector End Views

Shock Absorber Solenoid - LR (ZX3)

Part of the left rear shock

Suspension Controls Component Views

Suspension Controls Connector End Views

Shock Absorber Solenoid - RF (ZX3)

Part of the right front shock

Suspension Controls Component Views

Suspension Controls Connector End Views

Shock Absorber Solenoid - RR (ZX3)

Part of the right rear shock

Suspension Controls Component Views

Suspension Controls Connector End Views

Speaker - LF Door

Left front door behind the trim panel

Entertainment Component Views

Entertainment Connector End Views

Speaker - LF Tweeter (UQ7)

In the A-pillar trim panel

Entertainment Component Views

Entertainment Connector End Views

Speaker - LF Tweeter (UQ3)

Mounted to the left front door panel above the door speaker

Entertainment Component Views

Entertainment Connector End Views

Speaker - LR Door (Crew Cab)

Behind the left rear door trim panel

Entertainment Component Views

Entertainment Connector End Views

Speaker - LR (Except Crew Cab)

In the B-pillar trim panel

Entertainment Component Views

Entertainment Connector End Views

Speaker - RF Door

Mounted in the front passenger door trim panel

Entertainment Component Views

Entertainment Connector End Views

Speaker - RF Tweeter (UQ7)

In the right A-pillar trim panel

Entertainment Component Views

Entertainment Connector End Views

Speaker - RF Tweeter (UQ3)

Mounted to the right front door panel above the door speaker

Entertainment Component Views

Entertainment Connector End Views

Speaker - RR Door (Crew Cab)

In the right rear door trim panel

Entertainment Component Views

Entertainment Connector End Views

Speaker - RR (Except Crew Cab)

Mounted in the right B-pillar trim panel

Entertainment Component Views

Entertainment Connector End Views

Speaker - Subwoofer (UQ7)

Mounted in the front of the center console

Entertainment Component Views

Entertainment Connector End Views

Starter

On the lower left side of the engine

Engine Electrical Component Views

--

Starter Solenoid

On the lower left side of the engine attached to the starter

Engine Electrical Component Views

Engine Electrical Connector End Views

Starter/Generator Control Module (HP2)

Right rear side of the engine compartment mounted to the rear of engine compartment

Engine Electrical Component Views

Engine Electrical Connector End Views

Starter/Generator Control Module Coolant Pump (HP2)

Front of the engine compartment mounted to the radiator core support between headlamp and air filter

Engine Electrical Component Views

Engine Electrical Connector End Views

Steering Column Fuse Holder

In the steering wheel column harness

--

--

Steering Wheel Control Switch Assembly - Lower Left (UK3)

Mounted in the steering wheel spokes lower left

Entertainment Component Views

Entertainment Connector End Views

Steering Wheel Control Switch Assembly - Lower Right (UK3)

Mounted in the steering wheel spokes lower right

Entertainment Component Views

Entertainment Connector End Views

Steering Wheel Control Switch Assembly - Upper Left (UK3)

Mounted in the steering wheel spokes upper left

Entertainment Component Views

Entertainment Connector End Views

Steering Wheel Control Switch Assembly - Upper Right (UK3)

Mounted in the steering wheel spokes upper right

Entertainment Component Views

Entertainment Connector End Views

Steering Wheel Speed/Position Sensor (HP2)

Mounted to the bottom of the steering column

Power Steering Connector End Views

Power Steering Component Views

Stop Lamp Switch

Mounted above the brake pedal assembly

Lighting Systems Component Views

Lighting Systems Connector End Views

Supplemental Brake Assist Pump Motor (SBA) (JC4)

Left rear side of the engine compartment mounted to the power brake booster

Hydraulic Brake Component Views

Hydraulic Brake Connector End Views

Tail/Stop Lamp - Left

Left rear of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Tail/Stop Lamp - Right

Right rear of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Temperature Sensor - Battery 1 (HP2)

In the energy control box attached to the battery 1 on the left rear of the battery

Engine Electrical Component Views

Engine Electrical Connector End Views

Temperature Sensor - Battery 2 (HP2)

In the energy control box attached to the battery 2 on the front of the battery

Engine Electrical Component Views

Engine Electrical Connector End Views

Temperature Sensor - Battery 3 (HP2)

In the energy control box attached to the battery 3 on the right side of the battery

Engine Electrical Component Views

Engine Electrical Connector End Views

Throttle Actuator Control (TAC) Module (4.8L, 5.3L, 6.0L, and 8.1L)

Left rear of the engine compartment

Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Connector End Views for the 8.1L engine

Throttle Body (4.8L, 5.3L, 6.0L, and 8.1L)

Front of the engine

Engine Controls Component Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Component Views for the 8.1L engine

Engine Controls Connector End Views for the 4.8L, 5.3L, and 6.0L engine

or

Engine Controls Connector End Views for the 8.1L engine

Throttle Position (TP) Sensor (4.3L)

Mounted to the left side of the throttle body

Engine Controls Component Views for the 4.3L engine

Engine Controls Connector End Views for the 4.3L engine

Tire Pressure Monitor (TPM) Module (UJ6)

Behind the I/P above the brake pedal assembly

--

Tire Pressure Monitoring System Connector End Views

Tire Pressure Monitor Sensor - LF (UJ6)

Part of the LF tire

Tire Pressure Monitoring System Component Views

Tire Pressure Monitoring System Connector End Views

Tire Pressure Monitor Sensor - LR (UJ6)

Part of the LR tire

Tire Pressure Monitoring System Component Views

Tire Pressure Monitoring System Connector End Views

Tire Pressure Monitor Sensor - RF (UJ6)

Part of the RF tire

Tire Pressure Monitoring System Component Views

Tire Pressure Monitoring System Connector End Views

Tire Pressure Monitor Sensor - RR (UJ6)

Part of the RR tire

Tire Pressure Monitoring System Component Views

Tire Pressure Monitoring System Connector End Views

Tire Pressure Monitor Sensor - Spare (UJ6)

Part of the spare tire

Tire Pressure Monitoring System Component Views

Tire Pressure Monitoring System Connector End Views

Torque Convertor Clutch (TCC) Solenoid Valve

In the automatic transmission

Automatic Transmission Electronic Component Views for the 4L80-E/4L85-E transmission

Automatic Transmission Internal Connector End Views for the 4L80-E/4L85-E transmission

Torque Converter Clutch Pressure Control Solenoid (TCC PCS) (MW7)

In the automatic transmission

Automatic Transmission Electronic Component Views for the Allison transmission

Automatic Transmission Internal Connector End Views for the Allison transmission

Torque Convertor Clutch Pulse Width Modulation (TCC PWM) Solenoid Valve

In the automatic transmission

Automatic Transmission Electronic Component Views for the 4L60-E/4L65-E transmission

or

Component Location for the 4L80-E/4L85-E transmission

Automatic Transmission Related Connector End Views for the 4L60-E/4L65-E transmission +

or

Automatic Transmission Related Connector End Views for the 4L80-E/4L85-E transmission

Tow/Haul Switch

Mounted at the end of the transmission shift lever

Automatic Transmission Electronic Component Views for the 4L60-E/4L65-E transmission

Automatic Transmission Related Connector End Views for the 4L60-E/4L65-E transmission

or

Automatic Transmission Related Connector End Views for the 4L80-E/4L85-E transmission

Trailer Connector

Below the rear bumper near the center

Lighting Systems Component Views

Lighting Systems Connector End Views

Traction Control Switch (NW7)

Left side of the I/P near the headlamp switch

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Transfer Case Shift Control Switch (NP2)

On the left side of the transfer case

Transfer Case Control Component Views for the NVG 261-NP2 transfer case

Transfer Case Control Connector End Views for the NVG 261-NP2 transfer case

Transfer Case Shift Control Switch (NP1/NP8)

On the left side of the I/P to the left of the instrument cluster

Transfer Case Control Component Views for the NVG 246-NP8 transfer case

or

Transfer Case Control Component Views for the NVG 263-NP1 transfer case

Transfer Case Control Connector End Views for the NVG 246-NP8 transfer case

or

Transfer Case Control Connector End Views for the NVG 263-NP1 transfer case

Transfer Case Encoder Motor (NP1/NP8)

Left side of the transfer case

Transfer Case Control Component Views for the NVG 246-NP8 transfer case

or

Transfer Case Control Component Views for the NVG 263-NP1 transfer case

Transfer Case Control Connector End Views for the NVG 246-NP8 transfer case

or

Transfer Case Control Connector End Views for the NVG 263-NP1 transfer case

Transfer Case Shift Control Module (NP1/NP8)

In the left side of the I/P behind the headlamp switch

Transfer Case Control Component Views for the NVG 246-NP8 transfer case

or

Transfer Case Control Component Views for the NVG 263-NP1 transfer case

Transfer Case Control Connector End Views for the NVG 246-NP8 transfer case

or

Transfer Case Control Connector End Views for the NVG 263-NP1 transfer case

Transmission Control Module (TCM) (MW7)

Left front of the engine compartment to the left of the fan shroud

Automatic Transmission Electronic Component Views for the Allison transmission

Automatic Transmission Related Connector End Views for the Allison transmission

Turbocharger Vane Position Control Solenoid Valve (Diesel)

Mounted on the right side of the turbocharger between the front and rear housing

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Turbocharger Vane Position Sensor (Diesel)

Mounted on the top of the turbocharger between the front and rear housing

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Turn Signal/Hazard Flasher Module

On the bottom of the I/P Fuse Block

--

--

Turn Signal Lamp - LR

Left rear of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Turn Signal Lamp - RR

Right rear of the vehicle

Lighting Systems Component Views

Lighting Systems Connector End Views

Turn Signal/Multifunction Switch

On the steering column under the steering wheel

Lighting Systems Component Views

Lighting Systems Connector End Views

Vanity Mirror Lamp - Left (Y91 and Crew Cab w/YE9)

Mounted in the sun visor

Lighting Systems Component Views

Lighting Systems Connector End Views

Vanity Mirror Lamp - Right (Y91 and Crew Cab w/YE9)

Mounted in the sun visor

Lighting Systems Component Views

Lighting Systems Connector End Views

Vehicle Communication Interface Module (VCIM) (UE1)

Behind the passenger air bag module

Cellular Communication Component Views

Cellular Communication Connector End Views

Vehicle Speed Sensor (VSS) (w/2WD)

On the rear of the transmission

    •  Automatic Transmission Electronic Component Views for the 4L60-E/4L65-E transmission
    •  Automatic Transmission Electronic Component Views for the 4L80-E/4L85-E transmission
    •  Automatic Transmission Electronic Component Views for the Allison transmission
    •  Automatic Transmission Related Connector End Views for the 4L60-E/4L65-E transmission
    •  Automatic Transmission Related Connector End Views for the 4L80-E/4L85-E transmission
    •  Automatic Transmission Related Connector End Views for the Allison transmission

Vehicle Speed Sensor (VSS) (w/4WD)

On the rear of the transfer case

    •  Automatic Transmission Electronic Component Views for the 4L60-E/4L65-E transmission
    •  Automatic Transmission Electronic Component Views for the 4L80-E/4L85-E transmission
    •  Automatic Transmission Electronic Component Views for the Allison transmission
    •  Automatic Transmission Related Connector End Views for the 4L60-E/4L65-E transmission
    •  Automatic Transmission Related Connector End Views for the 4L80-E/4L85-E transmission
    •  Automatic Transmission Related Connector End Views for the Allison transmission

Voltage Sensor - 1 (HP2)

In the energy storage control box on top of the battery #1

Engine Electrical Component Views

Engine Electrical Connector End Views

Voltage Sensor - 2 (HP2)

In the energy storage control box on top of the battery #2

Engine Electrical Component Views

Engine Electrical Connector End Views

Voltage Sensor - 3 (HP2)

In the energy storage control box on top of the battery #3

Engine Electrical Component Views

Engine Electrical Connector End Views

Voltage Sensor - 4 (HP2)

In the energy storage control box on top of the battery #4

Engine Electrical Component Views

Engine Electrical Connector End Views

Washer Fluid Level Switch

On the washer fluid reservoir bottle

Wiper/Washer Component Views

Wiper/Washer Connector End Views

Water In Fuel Sensor (Diesel)

Bottom of the fuel filter on the right side of the engine

Engine Controls Component Views for the 6.6L engine

Engine Controls Connector End Views for the 6.6L engine

Wheel Speed Sensor (WSS) - LF

On the left front hub and bearing assembly

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Wheel Speed Sensor (WSS) - RF

On the right front hub and bearing assembly

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Window Motor - Driver

In the front of the driver door

Power Door Systems Component Views

Power Door Systems Connector End Views

Window Motor - Passenger

In the front of the passenger door

Power Door Systems Component Views

Power Door Systems Connector End Views

Window Motor - LR (Crew Cab)

Mounted to the LR door regulator

Power Door Systems Component Views

Power Door Systems Connector End Views

Window Motor - RR (Crew Cab)

Mounted to the RR door regulator

Power Door Systems Component Views

Power Door Systems Connector End Views

Window Switch - LR (Crew Cab)

On the left rear door trim panel

Power Door Systems Component Views

Power Door Systems Connector End Views

Window Switch - RR (Crew Cab)

On the right rear door trim panel

Power Door Systems Component Views

Power Door Systems Connector End Views

Windshield Washer Fluid Pump

In the washer fluid reservoir

Wiper/Washer Component Views

Wiper/Washer Connector End Views

Windshield Wiper/Washer Switch

Part of the multifunction turn signal lever on the steering column

Wiper/Washer Component Views

Wiper/Washer Connector End Views

Windshield Wiper Motor Module

Under the windshield cowl between the wiper arms

Wiper/Washer Component Views

Wiper/Washer Connector End Views

Wrecker Relay (5X7)

In the RR corner of the engine compartment, above the RH wheel house

Power and Grounding Component Views

Power and Grounding Connector End Views

C100 (16 Cavities)

I/P harness to engine harness, under the fuse block - underhood

Harness Routing Views

Inline Harness Connector End Views

C102 (10 Cavities)

I/P harness to chassis harness, under the fuse block - underhood

Harness Routing Views

Inline Harness Connector End Views

C104 (12 Cavities) (YE9)

I/P harness to forward lamp harness, attached to the front side of the fuse block - underhood

Harness Routing Views

Inline Harness Connector End Views

C104 (6 Cavities) (w/o YE9)

I/P harness to forward lamp harness, attached to the front side of the fuse block - underhood

Harness Routing Views

Inline Harness Connector End Views

C105 (10 Cavities) (Diesel)

In the engine harness, at the left rear of engine compartment next to the fuse block - underhood

Harness Routing Views

Inline Harness Connector End Views

C106 (6 Cavities) (PTO)

Engine harness to I/P harness, attached to the fuse block - underhood between the left battery and the fuse block - underhood

Harness Routing Views

Inline Harness Connector End Views

C107 (38 Cavities) (6.6L)

engine harness to engine chassis harness, mounted to the top of the driver side valve cover

Harness Routing Views

Inline Harness Connector End Views

C108 (24 Cavities) (6.6L)

engine harness to engine chassis harness, mounted to the top of the driver side valve cover

Harness Routing Views

Inline Harness Connector End Views

C110 (3 Cavities) (6.6L)

fuel pressure regulator harness to engine harness, top center of engine near intake air temperature (IAT) sensor 2

Harness Routing Views

Inline Harness Connector End Views

C111 (3 Cavities) (6.6L)

fuel rail pressure (FRP) harness to engine harness, on right rear corner of the engine near injector 7

Harness Routing Views

Inline Harness Connector End Views

C113 (6 Cavities) (Diesel)

Engine jumper harness to engine harness, on the top of the engine next to the intake manifold

Harness Routing Views

Inline Harness Connector End Views

C115 (2 Cavities) (4.8L, 5.3L and 6.0L)

Knock sensor harness to engine harness, left top center of manifold

Harness Routing Views

Inline Harness Connector End Views

C116 (24 Cavities) (HP2)

Engine harness to I/P harness, attached to the rear of the fuse block - underhood on the left side of the engine compartment

Harness Routing Views

Inline Harness Connector End Views

C117 (1 Cavity) (9L4)

Negative battery cable harness to accessory jumper harness, on the left side of the engine compartment near the fuse block - underhood

Harness Routing Views

Inline Harness Connector End Views

C118 (1 Cavity) (HP2)

Drain wire to 42-volt harness, attached to the starter/generator control module at the right rear of the engine compartment

Harness Routing Views

Inline Harness Connector End Views

C119 (2 Cavities) (9L4)

Accessory jumper harness to brake/clutch harness, at the left rear of the engine compartment near P100

Harness Routing Views

Inline Harness Connector End Views

C120 (10 Cavity) (HP2)

Engine harness to the forward lamp harness, on the front side of the fuse block - underhood

Harness Routing Views

Inline Harness Connector End Views

C121 (1 Cavity) (HP2)

42-volt harness to EHPS harness, at the right rear side of the engine compartment under the coolant reservoir

Harness Routing Views

Inline Harness Connector End Views

C122 (1 Cavity) (HP2)

42-volt harness to EHPS harness, at the right rear side of the engine compartment under the coolant reservoir

Harness Routing Views

Inline Harness Connector End Views

C125 (7 Cavities) (VYU)

Snowplow harness to forward lamp harness, at the left front of the engine compartment on the radiator core support

Harness Routing Views

Inline Harness Connector End Views

C127 (7 Cavities) (VYU)

Snowplow harness to forward lamp harness, at the right front of the engine compartment on the radiator core support

Harness Routing Views

Inline Harness Connector End Views

C140 (7 Cavities) (HP2)

42-volt harness to accessory power receptacle harness, at the right rear of the engine compartment under the starter/generator control module

Harness Routing Views

Inline Harness Connector End Views

C145 (10 Cavities) (PTO)

Engine harness to PTO jumper harness, on the left side of the transmission near the shift tower

Harness Routing Views

Inline Harness Connector End Views

C148 (7 Cavities) (4.8L, 5.3L, 6.0L, and 8.1L)

Engine harness to ignition coil jumper harness, on the top left side of the engine on the rocker cover

Harness Routing Views

Inline Harness Connector End Views

C149 (7 Cavities) (4.8L, 5.3L, 6.0L, and 8.1L)

Engine harness to ignition coil jumper harness, on the top right side of the engine on the rocker cover

Harness Routing Views

Inline Harness Connector End Views

C150 (4 Cavities) (NP8/NP1)

4-wheel drive harness to 4-wheel drive jumper harness, in the engine compartment mounted to the left inner fender

Harness Routing Views

Inline Harness Connector End Views

C151 (12 Cavities) (NP1/NP8)

ATC harness to I/P harness, on the left inner fender near the fuse block - underhood

Harness Routing Views

Inline Harness Connector End Views

C152 (12 Cavities)

Chassis harness to engine harness, under the fuse block - underhood

Harness Routing Views

Inline Harness Connector End Views

C153 (3 Cavities) (NP1/NP8/NP2)

4-wheel drive harness to engine harness, on the left inner fender near the fuse block - underhood

Harness Routing Views

Inline Harness Connector End Views

C154 (3 Cavities) (NP1/NP8)

I/P harness to ATC harness, on the left inner fender near the fuse block - underhood

Harness Routing Views

Inline Harness Connector End Views

C155 (10 Cavities) (8.1L Only)

Engine harness to injector jumper harness, near the upper left front of engine

Harness Routing Views

Inline Harness Connector End Views

C160 (2 Cavities) (5X7/5Y0)

Chassis harness to brake/clutch harness, at the left rear of the engine compartment near P100

Harness Routing Views

Inline Harness Connector End Views

C161 (1 Cavity) (5Y0)

Emergency vehicle relay harness to chassis harness, at the left rear of the engine compartment near the fuse block - underhood

Harness Routing Views

Inline Harness Connector End Views

C175 (20 Cavities) (A/T)

Engine harness to transmission jumper harness, connects directly to the case of the transmission, jumper side internal to transmission

    •  Automatic Transmission Electronic Component Views for the 4L60-E/4L65-E transmission
    •  Automatic Transmission Electronic Component Views for the 4L80-E/4L85-E transmission
    •  Automatic Transmission Electronic Component Views for the Allison transmission
    •  Automatic Transmission Inline 20-Way Connector End View for the 4L60-E/4L65-E transmission
    •  Automatic Transmission Inline 20-Way Connector End View for the 4L80-E/4L85-E transmission
    •  Automatic Transmission Inline Harness Connector End View for the Allison transmission

C180 (2 Cavity) (10 Series Except HP2)

Forward lamp harness to engine harness, under the fuse block - underhood

Harness Routing Views

Inline Harness Connector End Views

C196 (1 Cavity)

I/P harness to chassis harness, on the left inner fender near the fuse block - underhood

Harness Routing Views

Inline Harness Connector End Views

C201 (32 Cavities)

I/P harness to steering column harness, on the steering column under the I/P left knee bolster

Harness Routing Views

Inline Harness Connector End Views

C202 (12 Cavities) (w/o HP2)

I/P harness to brake clutch harness, behind the I/P above the brake pedal assembly

Harness Routing Views

Inline Harness Connector End Views

C202 (12 Cavities) (HP2)

I/P harness to brake clutch harness, under the upper dash pad on the left side and behind the right edge of the instrument cluster

Harness Routing Views

Inline Harness Connector End Views

C205 (3 Cavities) (HP2)

Brake/clutch harness to brake pedal jumper, attached to the brake pedal assembly

Power Steering Component Views

Power Steering Connector End Views

C206 (22 Cavities) (HP2)

I/P harness to body harness, behind the left kick panel

Harness Routing Views

Inline Harness Connector End Views

C210 (2 Cavities) (5G4/TRW)

Brake clutch harness to roof beacon harness, left side of the I/P near the steering column

Harness Routing Views

Inline Harness Connector End Views

C214 (8 Cavities) (UE1 w/o U42)

I/P harness to headliner harness, upper left side of the I/P above the instrument cluster

Harness Routing Views

Inline Harness Connector End Views

C214 (16 Cavities) (UE1/U42)

I/P harness to headliner harness, upper left side of the I/P above the instrument cluster

Harness Routing Views

Inline Harness Connector End Views

C216 (4 Cavities) (9L4)

Brake/clutch harness to fuse block jumper harness, top of the I/P near the center

Harness Routing Views

Inline Harness Connector End Views

C220 (24 Cavities) (UQ7 w/o Y91)

I/P harness to infotainment jumper harness, middle of the I/P behind the HVAC control module

Harness Routing Views

Inline Harness Connector End Views

C221 (4 Cavities) (SIR)

I/P harness to body harness, behind the left kick panel

Harness Routing Views

Inline Harness Connector End Views

C222 (4 Cavities) (SIR) (w/o HP2)

I/P harness to body harness, behind the right kick panel

Harness Routing Views

Inline Harness Connector End Views

C222 (4 Cavities) (SIR) (HP2)

I/P harness to body harness, behind the left side I/P access panel

Harness Routing Views

Inline Harness Connector End Views

C223 (16 Cavities) (HP2)

I/P harness to body harness, behind the left kick panel

Harness Routing Views

Inline Harness Connector End Views

C230 (2 Cavities) (UE1)

I/P harness to headliner harness, upper right side of the I/P, near the VCIM

Harness Routing Views

Inline Harness Connector End Views

C231 (2 Cavities) (UE1)

I/P harness to headliner harness upper right side of the I/P near the VCIM

Harness Routing Views

Inline Harness Connector End Views

C232 (1 Cavities) (UE1)

I/P harness to headliner harness upper right side of the I/P near the VCIM

Harness Routing Views

Inline Harness Connector End Views

C249 (4 Cavities) (Except Y91)

Console harness to bezel harness, middle of the I/P behind the HVAC control module

Harness Routing Views

Inline Harness Connector End Views

C249 (3 Cavities) (Y91)

Console harness to bezel harness, middle of the I/P behind the HVAC control module

Harness Routing Views

Inline Harness Connector End Views

C250 (6 Cavities) (ZX3,5X7,5G4,5YO and TRW)

Brake/clutch harness to brake/clutch jumper harness, left side of the I/P to the right of the steering column

Harness Routing Views

Inline Harness Connector End Views

C275 (4 Cavities) (AL0)

Steering column harness to steering wheel module coil, at the base of the steering column next to C201

Harness Routing Views

Inline Harness Connector End Views

C275 (2 Cavities) (HVY)

Steering column harness to steering wheel module coil, at the base of the steering column next to C201

Harness Routing Views

Inline Harness Connector End Views

C277 (8 Cavities) (UK3)

Steering wheel module coil to steering wheel harness, behind the driver side air bag

Harness Routing Views

Inline Harness Connector End Views

C305 (16 Cavities) (AG1)

Body harness to driver seat harness, under the driver seat

Harness Routing Views

Inline Harness Connector End Views

C306 (40 Cavities) (w/o Y91)

Infotainment jumper harness to console harness, under the front floor console

Harness Routing Views

Inline Harness Connector End Views

C306 (40 Cavities) (Y91)

I/P harness to console harness, under the front floor console

Harness Routing Views

Inline Harness Connector End Views

C310 (17 Cavities) (Crew Cab)

Left rear door harness to body harness, behind the driver side B-pillar trim panel between the door hinges

Harness Routing Views

Inline Harness Connector End Views

C320 (13 Cavities) (AN3)

Seat jumper harness to seat harness, on the driver seat track assembly

Harness Routing Views

Inline Harness Connector End Views

C321 (24 Cavities) (AN3)

Seat jumper harness to seat harness, on the driver seat track assembly

Harness Routing Views

Inline Harness Connector End Views

C322 (10 Cavities) (AN3)

Seat motor jumper harness to seat jumper harness, on the driver seat track assembly

Harness Routing Views

Inline Harness Connector End Views

C323 (6 Cavities) (AG1)

Seat motor jumper harness to seat jumper harness, on the driver seat track assembly

Harness Routing Views

Inline Harness Connector End Views

C324 (8 Cavities) (AN3)

Lumbar bolster harness to seat harness, on the driver seat track assembly

Harness Routing Views

Inline Harness Connector End Views

C325 (6 Cavities) (AN3)

Heated seat jumper harness to seat jumper harness, on the driver seat track assembly

Harness Routing Views

Inline Harness Connector End Views

C326 (6 Cavities) (AN3)

Heated seat jumper harness to seat harness, on the passenger seat track assembly

Harness Routing Views

Inline Harness Connector End Views

C329 (4 Cavities) (AG2)

Lumbar bolster harness to seat harness, on the passenger seat track assembly

Harness Routing Views

Inline Harness Connector End Views

C330 (2 Cavities) (AL0)

Body harness to passenger seat harness, under the passenger seat

Harness Routing Views

Inline Harness Connector End Views

C340 (8 Cavities) (HP2)

Body harness to EHPS harness, attached to the energy storage box

Harness Routing Views

Inline Harness Connector End Views

C341 (2 Cavities) (HP2)

42-volt harness to ESB battery harness, attached to the energy storage box

Harness Routing Views

Inline Harness Connector End Views

C350 (2 Cavities) (NP1/NP8)

Engine harness to 4-wheel drive harness, top of the transfer case near fuel lines

Harness Routing Views

Inline Harness Connector End Views

C355 (3 Cavities) (w/o UG1)

Headliner harness to overhead console harness, under the front overhead console

Harness Routing Views

Inline Harness Connector End Views

C355 (6 Cavities) (UG1)

Headliner harness to overhead console harness, under the front overhead console

Harness Routing Views

Inline Harness Connector End Views

C388 (6 Cavities) (AG2)

Seat motor jumper harness to passenger seat harness, on the passenger seat track assembly

Harness Routing Views

Inline Harness Connector End Views

C396 (17 Cavities) (Crew Cab)

Body harness to right rear door harness, behind the passenger side B-pillar trim panel between the door hinges

Harness Routing Views

Inline Harness Connector End Views

C399 (16 Cavities) (AN3)

Body harness to passenger seat harness, under the passenger seat

Harness Routing Views

Inline Harness Connector End Views

C404 (2 Cavities) (RO5)

Left clearance lamp to license lamp harness, near the license lamps under the rear bumper

Harness Routing Views

Inline Harness Connector End Views

C405 (2 Cavities) (RO5)

Right clearance lamp to license lamp harness, near the license lamps under the rear bumper

Harness Routing Views

Inline Harness Connector End Views

C428 (7 Cavities) (UY2)

At rear of vehicle behind center of rear bumper near spare tire

Harness Routing Views

Inline Harness Connector End Views

C429 (1 Cavities) (UY2)

At rear of vehicle behind center of rear bumper near spare tire

Harness Routing Views

Inline Harness Connector End Views

G100

In the forward lamp harness on the lower left of the radiator core support

Power and Grounding Component Views

--

G102 (4.3L)

In the engine harness, front of cylinder block to the right of the crank pulley

Power and Grounding Component Views

--

G102 (4.8L, 5.3L, 6.0L, and 8.1L)

Bolted to the left front of the cylinder block to the rear of the power steering pump

Power and Grounding Component Views

--

G102 (Diesel)

Lower right front corner of the cylinder block attached to the lower front bolt hole

Power and Grounding Component Views

--

G103 (4.3L)

In the engine harness, attached to the rear of the right side cylinder head

Power and Grounding Component Views

--

G103 (4.8L, 5.3L, and 6.0L)

In the engine harness, upper right rear of the cylinder block above the right cylinder head

Power and Grounding Component Views

--

G103 (8.1L)

Attached to the rear of the left side cylinder head near the cylinder block

Power and Grounding Component Views

--

G103 (6.6L)

Lower right front corner of the cylinder block attached to the upper front bolt hole

Power and Grounding Component Views

--

G104 (4.3L)

In the engine harness, attached to the rear of the left side cylinder head

Power and Grounding Component Views

--

G104 (4.8L, 5.3L, and 6.0L)

In the engine harness, left rear of cylinder block near engine oil pressure (EOP) sensor

Power and Grounding Component Views

--

G104 (8.1L)

Attached to the rear of the left side cylinder head near the rocker cover

Power and Grounding Component Views

--

G104 (Diesel)

Lower left front corner of the cylinder block attached to the lower front bolt hole

Power and Grounding Component Views

--

G106 (Gas w/TP2/8Y9)

In the main battery harness on the right side of the engine

Power and Grounding Component Views

--

G107 (Gas w/TP2)

Ground strap from the engine to the frame rail

--

--

G108 (Diesel)

Lower left front corner of the cylinder block attached to the lower rear bolt hole

Power and Grounding Component Views

--

G109 (Diesel)

Right side of the engine block behind G103

Power and Grounding Component Views

--

G110

In the chassis harness on the left front body mount frame

Power and Grounding Component Views

--

G115 (10 Series)

In the forward lamp harness on the lower right of the radiator core support

Power and Grounding Component Views

--

G120 (HP2)

Mounted to the right rear of the engine compartment on the cowl

Power and Grounding Component Views

--

G121 (HP2)

In the 42-volt harness, mounted to the front of the right cylinder head

Power and Grounding Component Views

--

G122 (HP2)

In the 42-volt harness, mounted on the bracket behind the electronic power steering pump assembly

Power and Grounding Component Views

--

G200

In the HVAC harness, on the right side of the I/P near the A-pillar below the I/P top cover

Power and Grounding Component Views

--

G203

In the I/P harness, on the left side of the I/P near the A-pillar below the I/P top cover

Power and Grounding Component Views

--

G302 (30 Series Except Chassis Cab/20 Series w/HVY)

In the chassis harness, attached to the third body mount on the left side

Power and Grounding Component Views

--

G302 (10 Series)

On the left front frame body mount

Power and Grounding Component Views

--

G304

In the body harness, under the passenger seat

Power and Grounding Component Views

--

G305 (Crew Cab)

In the body harness, behind the driver side B-pillar trim near the bottom

Power and Grounding Component Views

--

G306

In the body harness, behind the passenger side B-pillar trim near the bottom

Power and Grounding Component Views

--

G310 (HP2)

ESB module ground, under the energy storage box control module

Power and Grounding Component Views

--

G311 (HP2)

ESB ground, on the right side of the box between C341 and the EPTO harness connector

Power and Grounding Component Views

--

G390 (Crew Cab w/Rear Window Defog)

Defogger grid harness, near the C-pillar

Power and Grounding Component Views

--

G401 (10/20 Series Except HVY)

In the chassis harness, on the spare tire hoist assembly

Power and Grounding Component Views

--

G403 (30 Series Chassis Cab)

In the chassis harness, attached to the third body mount on the left side

Power and Grounding Component Views

--

G405 (HP2)

In the accessory power receptacle harness, near the right rear leaf spring mount

Power and Grounding Component Views

--

S100

In the forward lamp harness approximately 59.5 cm (23.42 in) from the daytime running lamp (DRL) - left

Harness Routing Views

--

S101

In the forward lamp harness approximately 21.5 cm (8.46 in) from the horn (high note)

Harness Routing Views

--

S102 (4.3L)

In the engine harness approximately 20 cm (7.87 in) before the engine coolant temperature (ECT) sensor breakout

Harness Routing Views

--

S102 (4.8L, 5.3L, and 6.0L)

In the engine harness approximately 14 cm (5.51 in) before the manifold absolute pressure (MAP) sensor

Harness Routing Views

--

S102 (8.1L)

In the engine harness approximately 19 cm (7.48 in) before the C148 and C155 breakout

Harness Routing Views

--

S103 (4.3L)

In the engine harness approximately 16 cm (6.29 in) before the engine coolant temperature (ECT) sensor

Harness Routing Views

--

S103 (4.8L, 5.3L, and 6.0L)

In the engine harness approximately 7 cm (2.75 in) before the C148 and C155 breakout

Power and Grounding Component Views

--

S103 (6.6L)

In the main engine harness, left side of engine, approximately 19 cm (7.4 in) before the breakout to the ECM connectors, near C106 breakout

--

--

S103 (8.1L)

In the engine harness approximately 14.5 cm (5.70 in) before the C148 and C155 breakout

Harness Routing Views

--

S104

In the engine harness between the ignition coil connectors and G102

Power and Grounding Component Views

--

S108 (HP2)

In the engine harness approximately 23 cm (9 in) from the fuse block - underhood secondary

Harness Routing Views

--

S110 (Gas)

In the engine harness between the powertrain control module (PCM) and the heated oxygen sensors (HO2S)

Harness Routing Views

--

S113 (HP2)

In the engine harness approximately 11.5 cm (4.52 in) from the knock sensor connector breakout

Harness Routing Views

--

S114 (HP2)

In the engine harness approximately 8 cm (3.14 in) from the fuse block - underhood secondary breakout

Harness Routing Views

--

S115 (HP2)

In the engine harness approximately 17.5 cm (6.88 in) from the starter/generator control module

Harness Routing Views

--

S116 (HP2)

In the engine harness approximately 4 cm (1.57 in) from the fuse block - underhood secondary breakout

Harness Routing Views

--

S117 (HP2)

In the engine harness approximately 8.5 cm (3.34 in) from the heated oxygen sensor (HO2S) bank 1 sensor 2 connector breakout

Harness Routing Views

--

S118 (MW7)

In the engine harness between the engine control module (ECM) and the transmission control module (TCM)

Harness Routing Views

--

S119 (MW7)

In the engine harness between the engine control module (ECM) and the transmission control module (TCM)

Harness Routing Views

--

S120 (HP2)

In the 42-volt harness approximately 18 cm (7.08 in) from the C122 breakout

Harness Routing Views

--

S121 (HP2)

In the 42-volt harness approximately 18 cm (7.08 in) from the C121 breakout

Harness Routing Views

--

S122 (6.6L w A/T)

In the engine harness approximately 9 cm (3.54 in) from the ECM Connector Breakout

Harness Routing Views

--

S123 (8.1L w A/T)

In the engine harness approximately 20 cm (7.78 in) from the PCM Connector Breakout

Harness Routing Views

--

S123 (6.6L w A/T)

In the engine harness approximately 4.5 cm (1.77 in) from the ECM Connector Breakout

Harness Routing Views

--

S124 (HP2)

In the 42-volt harness approximately 20.5 cm (8.07 in) from C118

Harness Routing Views

--

S125 (A/T Except MW7)

Inside the transmission

Harness Routing Views

--

S127 (6.6L)

In the engine harness approximately 18 cm (7.08 in) from the glow plug connector

Harness Routing Views

--

S128 (HP2)

In the EHPS harness approximately 5 cm (1.96 in) from the C122 breakout

Harness Routing Views

--

S129 (HP2)

In the EHPS harness approximately 5 cm (1.96 in) from the EHPS pump connector breakout

Harness Routing Views

--

S130 (HP2)

In the accessory power receptacle harness approximately 19 cm (7.48 in) from the starter/generator control module connector

Harness Routing Views

--

S131 (HP2)

In the engine harness approximately 5 cm (1.97 in) from the EHPS connector breakout

Harness Routing Views

--

S132 (8.1L)

In the engine harness approximately 13 cm (5.11 in) from the camshaft position sensor breakout

Harness Routing Views

--

S134 (HP2)

In the accessory power receptacle harness approximately 45 cm (17.71 in) from the C140 breakout

Harness Routing Views

--

S135 (HP2)

Inside the transmission

Harness Routing Views

--

S135 (MW7)

Inside the transmission

Harness Routing Views

--

S136 (HP2)

Inside the transmission

Harness Routing Views

--

S136 (MW7)

Inside the transmission

Harness Routing Views

--

S140 (ZX3)

In the chassis harness approximately 33.5 cm (13.19 in) from C102

Harness Routing Views

--

S144 (6.6L)

In the engine harness approximately 18 cm (7.08 in) from the engine control module connector breakout

Harness Routing Views

--

S145 (6.6L)

In the engine harness approximately 22.86 cm (9 in) from C108

Harness Routing Views

--

S146 (6.6L)

In the engine harness approximately 30.48 cm (12 in) from C108

Harness Routing Views

--

S150 (Diesel w/8X5)

In the engine harnessapproximately 6 cm (2.36 in) from C107 and C108 breakout

Harness Routing Views

--

S151

In the ignition coil jumper harness between C148 and the left bank ignition coils

Harness Routing Views

--

S152 (8.1L Only)

In the injector jumper harness between the left bank injectors and C155

Harness Routing Views

--

S153

In the ignition coil jumper harness between the right bank coils and C149

Harness Routing Views

--

S154 (8.1L Only)

In the injector jumper harness between the right bank injectors and C155

Harness Routing Views

--

S156 (4.8L, 5.3L, and 6.0L)

In the engine harness approximately 4 cm (1.57 in) before the C148 breakout

Harness Routing Views

--

S156 (8.1L)

In the engine harness approximately 22 cm (8.66 in) before the C148 and C155 breakout

Harness Routing Views

--

S157(4.8L, 5.3L, and 6.0L)

In the engine harness approximately 4 cm (1.57 in) before the C149 breakout

Harness Routing Views

--

S157 (8.1L)

In the engine harness approximately 22 cm (8.66 in) before the C149 breakout

Harness Routing Views

--

S159

In the ignition coil jumper harness between the left bank coils and C148

Harness Routing Views

--

S160

In the ignition coil jumper harness between the right bank coils and C149

Harness Routing Views

--

S163 (PTO)

In the engine harness approximately 7 cm (2.76 in) from the PTO relay connector breakout

Harness Routing Views

--

S164 (PTO)

In the engine harness approximately 13.5 cm (5.31 in) from the generator connector breakout

Harness Routing Views

--

S165 (4WD w/MW7 Only)

In the engine harness approximately 4 cm (1.57 in) from the fuse block underhood breakout

Harness Routing Views

--

S166 (10 Series)

In the forward lamp harness approximately 5 cm (1.97 in) from the C104 breakout

--

--

S166 (6.6L)

In the engine harness, on the breakout to injectors 1 and 4

--

--

S167 (10 Series Except HP2)

In the engine harness approximately 13 cm (5.12 in) from the left fuel Injector bank breakout

--

--

S167 (6.6L)

In the engine harness, on the breakout to injectors 6 and 7

--

--

S170 (6.6L)

In the engine harness approximately 8.89 cm (3.5 in) from C107

Harness Routing Views

--

S171 (6.6L)

In the engine harness, approximately 76.2 cm (30 in) from G103

Harness Routing Views

--

S174 (6.6L)

In the engine harness approximately 15.24 cm (6 in) from the fuel rail pressure regulator connector

Harness Routing Views

--

S175 (6.6L)

In the engine harness, on the breakout to the glow plug control module

Harness Routing Views

--

S176 (6.6L)

In the engine harness approximately 21.59 cm (8.5 in) from C107

Harness Routing Views

--

S177 (6.6L)

In the engine harness approximately 7.62 cm (3 in) from C107

Harness Routing Views

--

S180 (HP2)

In the engine harness approximately 10 cm (3.93 in) from the PCM breakout

Harness Routing Views

--

S181 (6.6L)

In the engine harness, on the breakout to injectors 2 and 5

--

--

S182 (6.6L)

In the engine harness, on the breakout to injectors 3 and 8

--

--

S200 (U01)

Insulation displacement connector in the roof marker harness

Harness Routing Views

--

S201(U01)

Insulation displacement connector in the roof marker harness

Harness Routing Views

--

S202

In the I/P harness between the fuse block - left I/P and the relay block I/P

Harness Routing Views

--

S204 (HP2)

In the I/P harness approximately 6 cm (2.36 in) from P100

Harness Routing Views

--

S205

In the I/P harness between the inflatable restraint disable switch and the relay block - I/P

Harness Routing Views

--

S206 (PTO)

In the I/P harness between the fuse block - underhood and the relay block - I/P

Harness Routing Views

--

S207 (PTO)

In the I/P harness approximately 27 cm (10.62 in) from the headlamp switch connector

Harness Routing Views

--

S210 (UQ7 w/Y91)

In the I/P harness approximately 13 cm (5.12 in) from C202 breakout

  

S213

In the I/P harness between the cargo lamp switch and G203

Harness Routing Views

--

S214 (NP8)

In the I/P harness between the transfer case shift control module and C154

Harness Routing Views

--

S215 (5Y0/5X7/5G4/TRW)

In the brake clutch harness between C250 and the relay block - I/P

Harness Routing Views

--

S216

In the steering column harness

Harness Routing Views

--

S217

In the steering column harness

Harness Routing Views

--

S218 (CJ2)

In the I/P harness between the fuse block - right I/P and the relay block I/P

Harness Routing Views

--

S219 (5G4/5Y0/5X7)

In the brake/clutch harness between the roof beacon relay and C250

Harness Routing Views

--

S220 (9L4)

In the mobile radio harness approximately 9.5 cm (3.74 in) from C216

Harness Routing Views

--

S221 (9L4)

In the mobile radio harness approximately 2 cm (0.78 in) from the fuse block - mobile radio

Harness Routing Views

--

S222 (9L4)

In the mobile radio harness approximately 9 cm (3.54 in) from the fuse block - mobile radio

Harness Routing Views

--

S223 (9L4)

In the mobile radio harness approximately 13.14 cm (5.17 in) from C216

Harness Routing Views

--

S224 (PTO)

In the I/P harness approximately 7 cm (2.75 in) from the instrument cluster connector breakout

Harness Routing Views

--

S240

In the steering column harness

Harness Routing Views

--

S241

In the steering column harness

Harness Routing Views

--

S260 (UK3)

In the steering wheel controls harness

--

--

S276 (UK3)

In the steering wheel harness approximately 4.3 cm (1.69 in) from C277

Harness Routing Views

--

S277 (UK3)

In the steering wheel harness approximately 6.3 cm (2.48 in) from C277

Harness Routing Views

--

S301

In the console harness between C306 and the accessory power outlets

Harness Routing Views

--

S303

In the console harness approximately 11.5 cm (4.52 in) before the C306 breakout

Harness Routing Views

--

S307 (UQ7)

In the console harness between C306 and the accessory power outlets

Harness Routing Views

--

S309 (AG1 w/AN3)

In the driver seat harness approximately 20.32 cm (8 in) from C322

Harness Routing Views

--

S310 (AG1 w/AN3)

In the driver seat harness approximately 12.7 cm (5 in) from C322

Harness Routing Views

--

S311 (AG2 w/AN3)

In the driver seat harness approximately 20.32 cm (8 in) from the seat lumbar/bolster switch connector

Harness Routing Views

--

S312 (Dual Tanks or EVA)

In the chassis harness approximately 28 cm (11 in) from G110 breakout

--

--

S314 (AG1 w/AN3)

In the driver seat harness approximately 20.32 cm (8 in) from C321

Harness Routing Views

--

S315 (AG1 w/AN3)

In the driver seat harness approximately 12.7 cm (5 in) from the recliner motor position sensor

Harness Routing Views

--

S321 (Crew Cab w/YE9 or Extended/Crew Cab w/Y91)

In the headliner harness between the overhead console reading lamps and the relay block - I/P

Harness Routing Views

--

S326 (HP2)

In the 42-volt harness next to the energy storage box (ESB)

Harness Routing Views

--

S327 (HP2)

In the energy storage box 120-volt harness approximately 15 cm (5.9 in) from C341

Harness Routing Views

--

S328 (AG2)

In the passenger seat harness between the seat adjuster switch and the bolster/lumbar switch

Harness Routing Views

--

S329 (AG2)

In the passenger seat harness approximately 38.1 cm (15 in) from C399

Harness Routing Views

--

S330 (HP2)

In the accessory power receptacle harness near the fourth body mount on the right side

Harness Routing Views

--

S331 (HP2)

In the accessory power receptacle harness between the third and fourth body mounts on the right side

Harness Routing Views

--

S332 (HP2)

In the accessory power receptacle harness near the third body mount

Harness Routing Views

--

S333

In the console harness between the rear seat audio (RSA) controller and C306

Harness Routing Views

--

S335 (Y91)

In the I/P harness approximately 6.5 cm (2.56 in) from C202 breakout

--

--

S345

In the headliner harness between the overhead console reading lamps and the relay block - I/P

Harness Routing Views

--

S351 (CF5)

In the sunroof harness

--

--

S352 (CF5)

In the sunroof harness

--

--

S408 (X88)

In the left rear lamp harness between the left rear turn signal and the junction block - rear lamps

Harness Routing Views

--

S412 (UY2)

In the camper/5th wheel harness 43.5 cm (17.12 in) from the trailer connector breakout

--

--

S413 (UY2)

In the camper/5th wheel harness 12 cm (4.72 in) from the trailer connector breakout

--

--

S414 (UY2)

In the camper/5th wheel harness 24 cm (9.44 in) from the trailer connector breakout

--

--

S415 (UY2)

In the camper/5th wheel harness 37 cm (14.6 in) from the trailer connector breakout

--

--

S416 (UY2)

In the camper/5th wheel harness 18.5 cm (7.28 in) from the trailer connector breakout

--

--

S417 (UY2)

In the camper/5th wheel harness 45.5 cm (17.91 in) from the trailer connector breakout

--

--

S418 (UY2)

In the camper/5th wheel harness 30.5 cm (12 in) from the trailer connector breakout

--

--

S420 (R05)

In the license lamp harness

Harness Routing Views

--

S421(R05)

In the left hip lamp harness

Harness Routing Views

--

S422 (R05)

In the right hip lamp harness

Harness Routing Views

--

S423 (R05)

In the right hip lamp harness

Harness Routing Views

--

S424 (R05)

In the left hip lamp harness

Harness Routing Views

--

S430 (HP2)

In the 120-volt harness approximately 5 cm (1.96 in) from the shielded ground wire breakout

Harness Routing Views

--

S431 (HP2)

In the pigtail of the EPTO outlet attached to the truck bed

Harness Routing Views

--

Splice Pack SP205

In the I/P harness near the fuse block - left I/P under the knee bolster trim panel taped to the I/P harness

Computer/Integrating Systems Component Views

Computer/Integrating Systems Connector End Views

Splice Pack SP207 (Y91)

In the I/P harness near the relay block - I/P above the emergency brake

Computer/Integrating Systems Component Views

Computer/Integrating Systems Connector End Views

Splice Pack SP207 (Except Y91)

In the infotainment jumper harness near the relay block - I/P above the emergency brake

Computer/Integrating Systems Component Views

Computer/Integrating Systems Connector End Views

Splice Pack SP250 (UQ7w/U2K/U42 or U2K/U1S or U42/U1S or U2K/U42/U1S)

In the infotainment jumper harness near the HVAC control module

Power and Grounding Component Views

--