GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Accelerator and Servo Control Module (ASM)

Under the left side of the instrument panel, near the kick panel

Antilock Brake System Component Views in ABS Traction Control

Antilock Brake System Connector End Views in Antilock Brake System

Accelerator Control and Adjuster

In the engine compartment, in the forward of the right front wheelhouse

Cruise Control Component Views in Cruise Control

Antilock Brake System Connector End Views in Antilock Brake System

Brake Fluid Level Indicator Sensor

Part of the master cylinder

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Hydraulic Brake Connector End Views in Hydraulic Brakes

Brake Pressure Modulator Valve (BPMV)

Mounted to the left front frame rail

Antilock Brake System Component Views in ABS Traction Control

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Center High Mounted Stop Lamp (CHMSL)

In the center of the rear spoiler

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Cruise Control Module

Mounted to the left frame rail, forward of the wheelhouse

Cruise Control Component Views in Cruise Control

Cruise Control Connector End Views in Cruise Control

Data Link Connector (DLC)

Under the IP, right of the steering column

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Electronic Brake Control Module (EBCM)

Mounted with brake pressure modulator valve on the top of the left front frame rail

Antilock Brake System Component Views in ABS Traction Control

Antilock Brake System Connector End Views in Antilock Brake System

Engine Wiring Harness Junction Block 1

In the left front corner of the engine compartment

Power and Grounding Component Views in Wiring Systems

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Engine Wiring Harness Junction Block 2

In the left front corner of the engine compartment

Power and Grounding Component Views in Wiring Systems

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Instrument Cluster

On the left side of the IP

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console

Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges and Console

IP Fuse Block

On the left end of the IP carrier

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console

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Park/Neutral Position Switch

Under the center console, on the base of the shift control lever

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Engine Controls Connector End Views in Engine Controls

Powertrain Control Module (PCM) (V6 VIN K)

On the right side of the engine compartment, rear of the wheelhouse

Power and Grounding Component Views in Wiring Systems

Powertrain Control Module Connector End Views in Engine Controls

Powertrain Control Module (PCM) (V8 VIN G)

On the right side of the engine compartment, rear of the wheelhouse

Engine Controls Component Views in Engine Controls

Powertrain Control Module Connector End Views in Engine Controls

Second Gear Start Switch (V6 VIN K) (Chevrolet w/o NW9)

In the center of the IP, above the HVAC control

Antilock Brake System Component Views in ABS Traction Control

Engine Controls Connector End Views in Engine Controls

Stop Lamp/TCC Switch (Automatic)

Mounted on the brake pedal bracket

Cruise Control Component Views in Cruise Control

Lighting Systems Connector End Views in Lighting Systems

Throttle Actuator Control (V6 VIN K)

On the plenum, with throttle body

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Engine Controls Connector End Views in Engine Controls

Throttle Actuator Control (TAC) Module (V6 VIN K)

Mounted on the accelerator pedal bracket

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Engine Controls Connector End Views in Engine Controls

Throttle Position (TP) Sensor (V8 VIN G)

Mounted to the front of the throttle body

Engine Controls Component Views in Engine Controls

Engine Controls Connector End Views in Engine Controls

Traction Control Switch (Chevrolet with NW9)

In the center of the IP, above the HVAC control

Antilock Brake System Component Views in ABS Traction Control

Antilock Brake System Connector End Views in Antilock Brake System

Traction Control Switch (Pontiac)

On the left side of the upper console

Power Roof Systems Component Views in Roof

Antilock Brake System Connector End Views in Antilock Brake System

Vehicle Speed Sensor (Automatic) (V6 VIN K)

On the rear right side of the transmission

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console

Engine Controls Connector End Views in Engine Controls

Vehicle Speed Sensor (Automatic) (V8 VIN G)

On the rear right side of the transmission

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console

Engine Controls Connector End Views in Engine Controls

Vehicle Speed Sensor (Manual) (V6 VIN K)

On the rear left side of the transmission

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console

Engine Controls Connector End Views in Engine Controls

Vehicle Speed Sensor (Manual) (V8 VIN G)

On the rear left side of the transmission

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console

Engine Controls Connector End Views in Engine Controls

Wheel Speed Sensor, Front

On the middle of the left and right front steering knuckle

Antilock Brake System Component Views in ABS Traction Control

Antilock Brake System Connector End Views in Antilock Brake System

Wheel Speed Sensor, Rear (V8 VIN G with NW9)

Mounted to the left and right rear backing plate of the wheel disc

Antilock Brake System Component Views in ABS Traction Control

Antilock Brake System Connector End Views in Antilock Brake System

Wheel Speed Sensor, Rear (w/o NW9)

On the top of the rear differential

Antilock Brake System Component Views in ABS Traction Control

Antilock Brake System Connector End Views in Antilock Brake System

Splice Pack SP200

Under the left side of the IP, near the DLC

Lighting Systems Component Views in Lighting Systems

Data Link Communications Connector End Views in Data Link Communications

C100 (10 cavities)

Engine to forward lamp harness, in the engine compartment, above the right wheelhouse

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C120 (2 cavities)

Forward lamp to wheel speed sensor jumper harness, mounted to the left frame rail

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200A (17 cavities)

Forward lamp to IP harness, between the left kick panel and the steering column

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200B (18 cavities)

Forward lamp to IP harness, between the left kick panel and the steering column

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200C (13 cavities)

Cross car to IP harness, between the left kick panel and the steering column

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C200D (48 cavities)

Part of the IP harness, between the left kick panel and the steering column

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C211 (8 cavities)

Forward lamp to traction control module jumper harness, under the left side of the IP, near the kick panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C212 (10 cavities)

Forward lamp to traction control module jumper harness, under the left side of the IP, near the kick panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C220 (10 cavities)

IP to engine harness, under the right side of the IP, behind the knee bolster

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C405B (16 cavities)

IP harness pass through connector, forward of the rear axle

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C405C (4 cavities)

Rear wheel speed sensor jumper to the IP harness pass through connector, forward of the rear axle to the speed sensor

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G100 (V6 VIN K)

On the lower right side of the engine, above the A/C compressor

Harness Routing Views in Wiring Systems

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G100 (V8 VIN G)

On the lower right side of the engine, above the starter solenoid

Harness Routing Views in Wiring Systems

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G101

In the engine compartment, attached to the front of the left wheelhouse

Harness Routing Views in Wiring Systems

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G106

Attached to the top left side of the radiator support

Harness Routing Views in Wiring Systems

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G110 (V6 VIN K)

In the front of the engine, bolted to the pulley above the A/C clutch connector

Harness Routing Views in Wiring Systems

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G110 (V8 VIN G)

Attached to the rear of the left cylinder head

Harness Routing Views in Wiring Systems

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P100

Left side in the dash panel, engine to the passenger compartment

Harness Routing Views in Wiring Systems

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P110

Right side in the dash panel, engine to the passenger compartment

Harness Routing Views in Wiring Systems

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S110 (V6 VIN K)

In the engine harness, approximately 4 cm (1.6 in) from the powertrain control module (PCM) breakout

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S110 (V8 VIN G)

In the engine harness, main branch, approximately 20 cm (7.9 in) from the powertrain control module (PCM) breakout

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S113

In the forward lamp harness approximately 7 cm (2.8 in) from the electronic throttle control (ETC) module/cruise control module breakout

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S114 (V8 VIN G)

In the engine harness, approximately 17 cm (6.7 in) back from the A/C compressor clutch breakout

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S115 (V6 VIN K)

In the engine harness at the generator breakout

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S116 (V8 VIN G)

In the engine harness, approximately 9 cm (3.5 in) from the manifold absolute pressure (MAP) sensor breakout

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S118 (V8 VIN G)

In the engine harness, approximately 15 cm (6 in) from the manifold absolute pressure (MAP) sensor breakout

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S119 (V8 VIN G) (Automatic Transmission)

In the engine harness, main branch, approximately 8 cm (3.1 in) from the automatic transmission breakout

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S119 (V8 VIN G) (Manual Transmission)

In the engine harness, main branch, approximately 9 cm (3.5 in) from the vehicle speed sensor breakout

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S121 (V6 VIN K)

In the engine harness, main branch, approximately 8 cm (3.1 in) from the powertrain control module (PCM) breakout

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S154 (Chevrolet)

In the forward lamp harness, approximately 7 cm (2.8 in) from the C120 (left front wheel speed sensor) breakout

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S154 (Pontiac)

In the forward lamp harness, approximately 13 cm (5.1 in) from the C120 (left front wheel speed sensor) breakout

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S181

In the forward lamp harness, approximately 20 cm (8 in) from the engine wiring harness junction block 1 breakout

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S203

In the forward lamp harness, main branch, approximately 4 cm (1.6 in) from the ignition switch breakout

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S204

I the forward lamp harness, main branch, at the ignition switch breakout

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S205

In the forward lamp harness, main branch, approximately 4 cm (1.5 in) from the ignition switch breakout

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S206

In the IP harness, at the rear compartment lid release relay breakout

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S207

In the IP harness, main branch, approximately 4 cm (1.6 in) from the data link connector (DLC) breakout

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S209

In the forward lamp harness, main branch, approximately 11 cm (4.3 in) from the ignition switch breakout

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S215

In the IP harness, main branch, approximately 11 cm (4 in) from the antenna cable breakout

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S216

In the IP harness, main branch, approximately 10 cm (4 in) from the instrument cluster breakout

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