GM Service Manual Online
For 1990-2009 cars only
Table 1: Fuse Block - Underhood Label Usage
Table 2: Fuse Block - Underhood C1
Table 3: Fuse Block - Underhood C2
Table 4: Fuse Block - Underhood C3
Table 5: Fuse Block - Underhood C4
Table 6: Fuse Block - Underhood C5
Table 7: Fuse Block - Underhood C6
Table 8: Fuse Block - Underhood C7
Table 9: Fuse Block - Underhood C9
Table 10: Fuse Block - Underhood - Secondary Label Usage
Table 11: Fuse Block - Underhood - Secondary Wire Entry (HP2)
Table 12: Fuse Block - I/P Label Usage
Table 13: Fuse Block - I/P C1
Table 14: Fuse Block - I/P C2
Table 15: Fuse Block - I/P C3
Table 16: Fuse Block - I/P C4 (Crew Cab)
Table 17: Relay Block I/P Label Usage
Table 18: Relay Block - I/P C1
Table 19: Relay Block - I/P C3
Table 20: Relay Block - I/P C4
Table 21: Relay Block - I/P C5
Table 22: Relay Block - I/P C7 (Z82 or T89)
Table 23: Relay Block - I/P C8 (5G4/5X7/5Y0/TRW)
Table 24: Relay Block - I/P C9
Table 25: Relay Block - I/P C10
Table 26: Junction Block - I/P Wire Entry
Table 27: Junction Block - I/P - C2
Table 28: Junction Block - I/P - C4
Table 29: Junction Block - I/P - C5
Table 30: Junction Block - I/P - C6
Table 31: Junction Block - I/P - C7
Table 32: Junction Block - I/P - C8
Table 33: Junction Block - Rear Lamps - C1
Table 34: Junction Block - Rear Lamps - C2
Table 35: Junction Block - Rear Lamps - C3
Table 36: Junction Block - Rear Lamps - C4

Fuse Block - Underhood Label


Object Number: 1363752  Size: LF

Fuse Block - Underhood Label Usage

Device

Rating

Description

STUD 1 Fuse

--

Trailer Wiring, Automatic Level Control (ALC) Compressor Relay

MBEC Fuse

50A

SEAT CB, RT DOOR CB

BLOWER Fuse

40A

Blower Motor

LBEC 2 Fuse

50A

LOCKS Fuse, DDM Fuse, PDM Fuse, ECC Fuse, AUX PWR 2 Fuse

STUD 2 Fuse

30A

Trailer Wiring, Emergency Vehicle Roof Lamp Relay

ABS Fuse

60A

Electronic Brake Control Module (EBCM)

VSES/ECAS Fuse

60A

Not Used

IGN A Fuse

40A

Ignition Switch RUN, START, RUN/START/ACCY, STARTER Relay

IGN B Fuse

40A

Ignition Switch RUN/ACC, RUN/START

LBEC 1 Fuse

50A

FLASH Fuse, TBC 2A Fuse, TBC 2B Fuse, TBC 2C Fuse, LT DOORS Fuse

TRL PARK Fuse

15A

Trailer Wiring

RR PARK Fuse

10A

Exterior Lamps-Right Rear, Clearance Lamps-Right

LR PARK Fuse

10A

Exterior Lamps-Left Rear, Clearance Lamps-Left

PARK LP Relay

--

TRL PARK Fuse, LR PARK Fuse, RR PARK Fuse, FRT PARK Fuse, INT PARK Fuse DRL Relay (Export)

STARTER Relay

--

Starter

INTPARK Fuse

10A

Power Take-Off (PTO) Switch, Inflatable Restraint I/P Module Disable Switch

STOP LP Fuse

25A

Stop Lamp Switch

TBC BATT Fuse

10A

Body Control Module (BCM), PASS-Key Module

SUNROOF Fuse

25A

Not Used

SEO B2 Fuse

30A

Roof Beacon Relay

4WS Fuse

15A

Rear Wheel Steering Control Module, Evaporative Emission (EVAP) Canister Vent Solenoid

RR HVAC

30A

Not Used

AUX PWR Fuse

20A

Accessory Power Outlets, Auxiliary Power Outlets

PCM 1 Fuse

15A

Powertrain Control Module (PCM), Mass Air Flow (MAF) Sensor, Evaporative Emission (EVAP) Canister Purge Solenoid, Fuel Composition Sensor, Secondary Fuel Pump Relay

ETC/ECM Fuse

15A

Throttle Actuator Control (TAC)

INJ 1 Fuse (Gas)/ECMRPCV Fuse (Diesel) #2

15A

Fuel Injectors-Odd-Numbered, Ignition Coils-Odd-Numbered (Gas)

15A

Engine Control Module (ECM) (Diesel)

INJ 2 Fuse (Gas)/EDU Fuse (Diesel) #1

15A

Fuel Injectors-Even-Numbered, Ignition Coils-Even-Numbered (Gas)

25A

Fuel Injector Control Module (FICM) (Diesel)

IGN E Fuse

10A

A/C COMP Relay, Park/Neutral Position (PNP) Switch, Turn Signal/Multifunction Switch, Headlamp Leveling Components, Clutch Start Switch

IGN 1 Relay (Gas)/EDU Relay (Diesel) #5

--

SBA Fuse, ETC/ECM Fuse, PCM 1 Fuse, INJ 1 Fuse, INJ 2 Fuse

--

ECMRPCV Fuse, EDU Fuse (Diesel)

RTD Fuse

30A

Not Used

TRL B/U Fuse

10A

Body Control Module (BCM), Trailer Wiring, Back-Up Alarm

PCM B Fuse

20A

Powertrain Control Module, F/PMP Relay

F/PMP Relay

--

Fuel Pump

O2 A Fuse (Gas)/FUEL HT Fuse (Diesel) #3

15A

Heated Oxygen Sensors-Upstream (Gas)

15A

Fuel Heater, Glow Plug Controller, Intake Air (IA) Heater Relay, EGR System Components (Diesel)

B/U LP Fuse

20A

Park/Neutral Position (PNP) Switch

RR DEFOG Fuse

30A

DEFOG Relay

HDLP-HI Relay

--

HI HDLP-LT Fuse, HI HDLP-RT Fuse

O2 B Fuse (Gas)/EMCI Fuse (Diesel) #4

15A

Heated Oxygen Sensors-Downstream (Gas)

15A

IAT/MAF Sensor, Engine Control Module (ECM) (Diesel)

SIR Fuse

15A

Inflatable Restraint Sensing and Diagnostic Module (SDM), Memory Seat Module-Passenger, Inside Rearview Mirror

FRT PARK Fuse

10A

Park/Turn Signal Lamps-Front, Marker Lamps-Front

DRL Relay

--

DRL Lamp-LT, DRL Lamp-RT (Domestic)/DRL Fuse, FRT PARK Fuse (Export)

SEO IGN Fuse

10A

DEFOG Relay, Instrument Panel Cluster (IPC)

TBC IGN 1 Fuse

10A

Body Control Module (BCM)

HI HDLP-LT

10A

Headlamp-High Beam-Left

LH HID

20A

High Intensity Discharge Lamps

DRL Fuse

10A

DRL Relay (Domestic)/Daytime Running Lamps (Export)

IPC/DIC Fuse

10A

Instrument Panel Cluster (IPC)

HVAC/ECAS Fuse

10A

HVAC Control Module

CIG LTR Fuse

15A

Cigar Lighter, Data Link Connector (DLC)

HI HDLP RT Fuse

10A

Highbeam Headlamp-Right

HDLP-LOW Relay

--

LO HDLP-LT Fuse, LO HDLP-RT Fuse

A/C COMP Relay

--

A/C Compressor Clutch

A/C COMP Fuse

10A

A/C Compressor Clutch Relay

RR WPR

25A

Not Used

RADIO Fuse

15A

Radio, Rear Seat Audio (RSA)

SEO B1 Fuse

15A

Instrument Panel Cluster (IPC), Rear Fog Lamp Relay, Overhead Console, Roof Beacon Switch

LO HDLP-LT Fuse

10A

Headlamp-Low Beam-Left

BTSI Fuse

10A

Stop Lamp Switch

CRANK Fuse

10A

Powertrain Control Module (PCM)-Gas, Engine Control Module (ECM)-Diesel

LO HDLP-RT Fuse

25A

Headlamp-Low Beam-Right

FOG LP Relay

--

Fog Lamp-RF, Fog Lamp-LF

FOG LP Fuse

15A

FOG LP Relay

HORN Relay

--

HORN Fuse

W/S WASH Relay

--

Windshield Washer Fluid Pump

W/S WASH Fuse

15A

W/S WASH Relay

INFO Fuse

15A

Vehicle Communication Interface Module (VCIM), Rear Seat Entertainment (RSE) Assembly, Remote Playback Device-CD Player

RADIO AMP Fuse

30A

Audio Amplifier

RH HID Fuse

20A

Not Used

HORN Fuse

15A

Horn-Left, Horn-Right

EAP Fuse

15A

Not Used

TREC Fuse

30A

Transfer Case Encoder Motor, Transfer Case Shift Control Module

SBA Fuse

15A

Supplemental Brake Assist (SBA)

Fuse Block - Underhood Top View


Object Number: 861507  Size: LF

Fuse Block - Underhood Bottom View


Object Number: 891850  Size: LF

Fuse Block - Underhood C1


Object Number: 365994  Size: CH

Connector Part Information

    • 12193905
    • 68-Way F Metri-Pack 280 Series Flexlock (GRY)

Pin

Wire Color

Circuit No.

Function

A1-A2

--

--

Not Used

A3

YEL

5

Crank Voltage

A4

--

--

Not Used

A5

ORN

4340

Battery Positive Voltage

A6

PNK

39

Ignition 1 Voltage

A7

YEL

1139

Ignition 1 Voltage

YEL

1139

Ignition 1 Voltage (C99)

A8

LT GRN/BLK

584

A/T Shift Lock Control Switch Supply Voltage (w/Automatic Transmission)

A9

PNK

3

Ignition 1 Voltage

A10

--

--

Not Used

A11

DK GRN

1433

Park/Neutral Start Switch Signal (MG5/ML6/MW3/M74)

A12

BRN

2409

Interior Park Lamps Supply Voltage

BRN

2409

Interior Park Lamps Supply Voltage - Domestic Only

B1

ORN

1640

Battery Positive Voltage (NP8)

B2

ORN

2268

Windshield Washer Relay Control

B3

DK GRN/WHT

1317

Fog Lamp Relay Control - Dimming

DK GRN/WHT

1317

Fog Lamp Relay Control - BCM

B4-B7

--

--

Not Used

B8

ORN

1840

Battery Positive Voltage

B9

BLK/WHT

1969

Headlamp Relay Control/Headlamp High Beam Relay Control

B10-B11

--

--

Not Used

B12

RED

142

Battery Positive Voltage

C1

ORN

1640

Battery Positive Voltage (NP8)

C2

ORN

3240

Battery Positive Voltage

C3

BLK

28

Horn Relay Control

BLK

28

Horn Relay Control

C4-C8

--

--

Not Used

C9

PNK

1020

Off/Run/Crank Voltage

C10

ORN

1040

Battery Positive Voltage

C11

--

--

Not Used

C12

PPL

420

TCC Brake Switch/Cruise Control Release Signal

D1-D2

--

--

Not Used

D3

PNK/WHT

1970

Headlamp Low Beam Relay Control

D4

ORN

340

Battery Positive Voltage

ORN

340

Battery Positive Voltage (UQ3/UQ5/UQ7)

D5

ORN

640

Battery Positive Voltage

ORN

640

Battery Positive Voltage

D8-D9

--

--

Not Used

D10

PNK

639

Ignition 1 Voltage

D11

--

--

Not Used

D12

ORN

1140

Battery Positive Voltage - BCM

E1-E2

--

--

Not Used

E3

LT GRN /BLK

592

DRL Relay Control

E4

ORN

4540

Battery Positive Voltage (8S8)

ORN

4540

Battery Positive Voltage

E5

--

--

Not Used

E6

BRN/WHT

1571

Traction Control Switch Signal (NW7)

E7

LT BLU

1320

CHMSL Supply Voltage/Stop Lamp Supply Voltage

E8

--

--

Not Used

E9

DK GRN

591

Ignition 1 Voltage (HP2)

E10

DK BLU

2115

Right Turn Signal Lamps Supply Voltage

E11

ORN

2340

Battery Positive Voltage

E12

--

--

Not Used

F1

PNK

139

Ignition 1 Voltage (w/SBA or Secondary Fuel Pump Relay)

F2

ORN

3740

Battery Positive Voltage

F3

LT BLU

2114

Left Turn Signal Lamps Supply Voltage

F4

--

--

Not Used

F5

PNK

739

Ignition 1 Voltage (8S8)

PNK

739

Ignition 1 Voltage

F6

PNK

639

Ignition 1 Voltage (8S8)

PNK

639

Ignition 1 Voltage (Man Trans)

F7

ORN

2840

Battery Positive Voltage (w/o 8S8)

F8-F9

--

--

Not Used

F10

GRY

1524

Backup Lamp Supply Voltage

F11

WHT

1080

Park Lamp Relay Control

F12

ORN

1540

Battery Positive Voltage

Fuse Block - Underhood C2


Object Number: 362761  Size: CH

Connector Part Information

    • 12193906
    • 68-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A1-A2

--

--

Not Used

A3

DK GRN

59

A/C Compressor Clutch Supply Voltage (CJ2/CJ3)

A4

--

--

Not Used

A5

ORN

4340

Battery Positive Voltage (C42)

A6

--

--

Not Used

A7

DK GRN/WHT

465

Fuel Pump Relay Control - Primary

A8

ORN

440

Battery Positive Voltage (M74)

A9

PNK

1339

Ignition 1 Voltage

A10

LT BLU

1320

CHMSL Supply Voltage/Stop Lamp Supply Voltage (KUP)

A11

GRY

1524

Trailer Backup Lamp Supply Voltage (Diesel)

GRY

1524

Trailer Backup Lamp Supply Voltage

A12

PNK

439

Ignition 1 Voltage (L59)

PNK

439

Ignition 1 Voltage (EVA)

B1

--

--

Not Used

B2

ORN

3440

Battery Positive Voltage (L18/PTO)

B3

BLK/WHT

1695

Axle Switch Signal

BLK/WHT

1695

Axle Switch Signal

B4-B6

--

--

Not Used

B7

BLK

550

Ground

B8

ORN

440

Battery Positive Voltage

ORN

440

Battery Positive Voltage

B9

PNK

1039

Ignition 1 Voltage

PNK

1039

Ignition 1 Voltage (LLY)

B10

PNK

439

Ignition 1 Voltage - IAT/MAF Sensor (Gas)

PNK

439

Ignition 1 Voltage - PCM (Gas)

B11-B12

--

--

Not Used

C1-C2

--

--

Not Used

C3

DK GRN/

WHT

459

A/C Compressor Clutch Relay Control (CJ2/CJ3)

C4-C9

--

--

Not Used

C10

PNK

1039

Ignition 1 Voltage (Except 4.3L)(Gas)

PNK

1039

Ignition 1 Voltage (Gas)

C11

--

--

Not Used

C12

PPL

420

TCC Brake Switch/Cruise Control Release Signal

PPL

420

TCC Brake Switch/Cruise Control Release Signal (M74)

D1-D2

--

--

Not Used

D3

LT GRN

275

Park Neutral Position Switch Park Signal

D4-D5

--

--

Not Used

D8

PNK

539

Ignition 1 Voltage - HO2S Bank 1 Sensor 1(Gas except HP2)

PNK

539

Ignition 1 Voltage - HO2S Bank 2 Sensor 1(Gas except HP2)

PNK

239

Ignition 1 Voltage (Diesel)

PNK

239

Ignition 1 Voltage (Diesel)

D9

PNK

1239

Ignition 1 Voltage (Gas)

PNK

339

Ignition 1 Voltage (Diesel)

PNK

339

Ignition 1 Voltage (Diesel)

D10

PNK

1039

Ignition 1 Voltage (Gas)

PNK

1039

Ignition 1 Voltage (Gas)

D11

PPL

6

Starter Solenoid Crank Voltage (w/o HP2)

D12

YEL/BLK

625

Starter Enable Relay Control (LB7/LLY)

E1-E5

--

--

Not Used

E6

PNK

1239

Ignition 1 Voltage - Fuel Injector 2 (Gas)

PNK

1239

Ignition 1 Voltage - Fuel Injector 4 (Gas)

GRY/BLK

2219

FICM Relay Control (Diesel)

E7

PNK

1539

Ignition 1 Voltage - HO2S - Bank 1 Sensor 2 (Gas except HP2)

PNK

1539

Ignition 1 Voltage - HO2S - Bank 2 Sensor 2 (Gas except HP2)

PNK

439

Ignition 1 Voltage - IAT/MAF Sensor (Diesel)

PNK

439

Ignition 1 Voltage - ECM (Diesel)

E8-E9

--

--

Not Used

E10

PNK

1239

Ignition 1 Voltage (Gas) (Except 4.3L)

PNK

1239

Ignition 1 Voltage (Gas)

E11

PNK

1020

Off/Run/Crank Voltage (All Automatic Transmissions Except M74)

PNK

1020

Off/Run/Crank Voltage

E12

--

--

Not Used

F1-F2

--

--

Not Used

F3

PPL

806

Crank Voltage

F4-F7

--

--

Not Used

F8

PNK

839

Ignition 1 Voltage

F9

PNK

639

Ignition 1 Voltage

F10

PNK

1020

Ignition 0 Voltage

PNK

1020

Ignition 0 Voltage (M74)

F11

DK GRN

1433

Park/Neutral Start Switch Signal

F12

--

--

Not Used

Fuse Block - Underhood C3


Object Number: 362759  Size: CH

Connector Part Information

    • 12193916
    • 32-Way F Metri-Pack 280 Series (RED)

Pin

Wire Color

Circuit No.

Function

A1-A2

--

--

Not Used

A3

DK BLU

2115

Right Turn Signal Lamps Supply Voltage

A4

ORN

2640

Battery Positive Voltage - Vent Solenoid (Gas)

ORN

2640

Battery Positive Voltage (NYS)

A5

PPL

420

TCC Brake Switch/Cruise Control Release Signal

A6

--

--

Not Used

B1

BLK/WHT

1695

Axle Switch Signal (NP2)

B2

--

--

Not Used

B3

LT BLU

2114

Left Turn Signal Lamps Supply Voltage

B4-B5

--

--

Not Used

B6

BRN

2109

Trailer Park Lamps Supply Voltage

C1

--

--

Not Used

C2

LT GRN

1624

Trailer Backup Lamps Supply Voltage (8S3)

LT GRN

1624

Trailer Backup Lamps Supply Voltage

C3-C5

--

--

Not Used

C6

BRN/WHT

2609

Right Rear Park Lamps Supply Voltage

D1-D6

--

--

Not Used

E1-E2

--

--

Not Used

E3

PNK

439

Ignition 1 Voltage (NQZ)

E4

BLK

550

Ground

BLK

550

Ground (Export)

E5-E6

--

--

Not Used

F1

GRY

120

Fuel Pump Supply Voltage

GRY

120

Fuel Pump Supply Voltage (NQZ)

F2-F3

--

--

Not Used

F4

LT BLU

1320

CHMSL Supply Voltage/Stop Lamp Supply Voltage

F5

--

--

Not Used

F6

BRN

2509

Left Rear Park Lamps Supply Voltage

Fuse Block - Underhood C4


Object Number: 362760  Size: CH

Connector Part Information

    • 12193914
    • 32-Way F Metri-Pack 280 Series (GRN)

Pin

Wire Color

Circuit No.

Function

A1-A2

--

--

Not Used

A3

DK BLU

2115

Right Turn Signal Lamps Supply Voltage

DK BLU

2115

Right Turn Signal Lamps Supply Voltage

A4

BLK

550

Ground

A5

--

--

Not Used

A6

DK GRN

1329

Left Horn Fuse Supply Voltage

DK GRN

1329

Right Horn Fuse Supply Voltage

B1

--

--

Not Used

B2

DK BLU

545

Left DRL Supply Voltage

DK BLU

545

Right DRL Supply Voltage

B3-B6

--

--

Not Used

C1

BRN

2309

Left Front Park Lamps Supply Voltage

BRN

2309

Right Front Park Lamps Supply Voltage

C2

--

--

Not Used

C5

BRN

2309

Front Park Lamps Supply Voltage

BRN

2309

Front Park Lamps Supply Voltage

C6

RED

228

Windshield Washer Pump Control

D1

--

--

Not Used

D2

ORN

3540

Battery Positive Voltage (TT6)

D3-D5

--

--

Not Used

D6

PPL

34

Left Fog Lamps Supply Voltage (T96)

PPL

34

Right Fog Lamps Supply Voltage (T96)

E1

LT BLU

2114

Left Turn Signal Lamps Supply Voltage

LT BLU

2114

Left Turn Signal Lamps Supply Voltage

E2

DK GRN/

WHT

711

Left Headlamp High Beam Supply Voltage

E3

LT GRN/

BLK

311

Right Headlamp High Beam Supply Voltage

E4-E5

--

--

Not Used

E6

ORN

3640

Battery Positive Voltage (TT6)

F1-F3

--

--

Not Used

F4

YEL

712

Left Headlamp Low Beam Supply Voltage

F5

TAN/WHT

312

Right Headlamp Low Beam Supply Voltage

F6

--

--

Not Used

Fuse Block - Underhood C5


Object Number: 845605  Size: CH

Connector Part Information

    • 15393171
    • 2-Way F J-Type (MD GRY)

Pin

Wire Color

Circuit No.

Function

A

RED

842

Battery Positive Voltage

B

RED

542

Battery Positive Voltage

Fuse Block - Underhood C6


Object Number: 845608  Size: CH

Connector Part Information

    • 15393172
    • 2-Way F J-Type (LT GRN)

Pin

Wire Color

Circuit No.

Function

A

RED

642

Battery Positive Voltage

B

--

--

Not Used

Fuse Block - Underhood C7


Object Number: 845633  Size: CH

Connector Part Information

    • 15393168
    • 2-Way F J-Type (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

342

Battery Positive Voltage

B

RED

42

Battery Positive Voltage

Fuse Block - Underhood C9


Object Number: 845602  Size: CH

Connector Part Information

    • 15393170
    • 2-Way F J-Type (NAT)

Pin

Wire Color

Circuit No.

Function

A

RED

442

Battery Positive Voltage

B

--

--

Not Used

Fuse Block - Underhood - Secondary Label (HP2)


Object Number: 1363461  Size: LF

Fuse Block - Underhood - Secondary Label Usage

Device

Rating

Description

HYBRID PWR Fuse

30A

Electronic Power Take-Off (EPTO) Switch, AUX HTR PMP and TRANS PMP Relays, Heated Oxygen Sensors

HYBRID O2B

15A

Heated Oxygen Sensors Bank 2 Sensor 1 and Bank 1 Sensor 2

AUX HTR PMP

10A

AUX HTR Pump Relay

ESCM

15A

Energy Storage Control Module (ESCM)

HCM-I

10A

Starter Generator Control Module and Hybrid Control Module (HCM)

COOL FAN

25A

Redbox Cool Fan Relay

HYBRID O2A

15A

Heated Oxygen Sensor Bank 2 Sensor 1 and Bank 1 Sensor 1

TRANS PUMP

15A

Trans Pump Relay

HCM-B

10A

Hybrid Control Module (HCM)

EHPS-I

10A

Electro Hydraulic Power Steering (EHPS) Module

COOL PMP

15A

Starter/Generator Control Module Coolant Pump

PWR MAINT

10A

Electronic Power Take-Off (EPTO) Switch, AUX HTR Pump Relay, TRANS PMP Relay, and Park/Neutral Position Switch

SCGM COOL FAN Relay

--

REDBOX Coolant Fan

SCGM COOL PMP/FAN Relay

--

REDBOX Coolant Pump and Fan

AUX HTR PMP Relay

--

Auxiliary Heater Pump

TRANS PMP Relay

--

Transmission Pump

PWR MAINT Relay

--

Electronic Power Take-Off (EPTO) Switch, AUX HTR Pump Relay, TRANS PMP Relay, Park/Neutral Position Switch, and Heated Oxygen Sensors

Fuse Block - Underhood - Secondary Top View (HP2)


Object Number: 1363458  Size: LF

Fuse Block - Underhood - Secondary Bottom View (HP2)


Object Number: 1363463  Size: LF

Fuse Block - Underhood - Secondary Wire Entry (HP2)

Connector Part Information

    • 15424711
    • 66-Way F PA66 GF14 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A1

YEL

5541

Power Maintain Relay Contact Control

A2

RED

342

Battery Positive Voltage

A3

PPL

5538

Auxiliary Transmission Fluid Pump Relay Control

A4

PNK

1639

Ignition 1 Voltage

B1-B4

--

--

Not Used

C1

PPL/WHT

5539

Power Maintain Relay Coil Control

C2

RED

342

Battery Positive Voltage

C3

PNK/WHT

5537

Transmission Pump Relay Coil Control

C4

ORN

540

Battery Positive Voltage

D1-D2

--

--

Not Used

D3

TAN/WHT

5543

Auxiliary Heater Pump Relay Contact Control

D4

PNK

1639

Ignition 1 Voltage

E1-F2

--

--

Not Used

F3

WHT

5542

Auxiliary Heater Pump Relay Coil Control

F4

ORN

740

Battery Positive Voltage

G1-G2

--

--

Not Used

G3

--

--

Not Used

G4

PNK

1839

Ignition 1 Voltage

G5

PNK

3

Ignition 1 Voltage

G6

PNK

1939

Ignition 1 Voltage

H1-H2

--

--

Not Used

H3

RED

1542

Battery Positive Voltage

H4

ORN

1940

Battery Positive Voltage

H5

--

--

Not Used

H6

ORN

2740

Battery Positive Voltage

J1-J2

--

--

Not Used

J3

RED

1542

Battery Positive Voltage

J4

ORN

540

Battery Positive Voltage

J5

--

--

Not Used

J6

ORN

740

Battery Positive Voltage

K1

--

--

Not Used

K2

PNK

1639

Ignition 1 Voltage

K3

YEL

5541

Power Maintain Relay Contact Control

K4

PNK

539

Ignition 1 Voltage

PNK

539

Ignition 1 Voltage

K5

--

--

Not Used

K6

PNK

1539

Ignition 1 Voltage

PNK

1539

Ignition 1 Voltage

L1

--

--

Not Used

L2

LT BLU

703

Coolant Pump Voltage

L3

GRY

960

Coolant Pump/Fan Relay Voltage

L4

PNK

2139

Ignition 1 Voltage

L5

YEL

5541

Power Maintain Relay Contact Control

L6

DK GRN

591

Ignition 1 Voltage

M1

PNK

2014

Coolant Pump Relay Control

M2

--

--

Not Used

M3

GRY

960

Coolant Pump/Fan Relay Voltage

M4

--

--

Not Used

M5

BLK

550

Ground

M6

--

--

Not Used

N1

RED

342

Battery Positive Voltage

N2

--

--

Not Used

N3

RED

342

Battery Positive Voltage

N4

WHT

2368

Cooling Fan Clutch Supply Voltage

N5

LT BLU

409

Cooling Fan Motor Supply Voltage

N6

PNK

2139

Ignition 1 Voltage

Fuse Block - I/P Label


Object Number: 997688  Size: MF

Fuse Block - I/P Label Usage

Device

Rating

Description

RR WPR Fuse

15A

Not Used

SEO ACCY Fuse

10A

Upfitter Provisions

WS WPR Fuse

25A

Windshield Wiper Motor and Module

TBC ACCY Fuse

10A

Body Control Module (BCM)

IGN 3 Fuse

10A

Rear Wheel Steering Control Module

4WD Fuse

15A

Front Axle Actuator, Transfer Case Shift Control Switch, Auxiliary Battery Relay

HTR A/C Fuse

30A

HVAC Control Module

LOCK Relay

--

Door Lock Actuators

HVAC 1 Fuse

10A

HVAC Control Module, HVAC Actuators

L DOOR - 12-WAY - BLACK

--

Fuse Block - Left I/P C3 (Driver Door Harness)

CRUISE Fuse

10A

Cruise Control Switch, Cruise Control Module, Steering Wheel Speed/Position Sensor, Power Take-Off (PTO) Switch

UNLOCK Relay

--

Door Unlock Actuators

RR FOG LP Relay

--

Fog Lamp - LR, Fog Lamp - RR (Export)

BRAKE Fuse

10A

Stop Lamp Switch, Electronic Brake Control Module (EBCM), Clutch Start Switch

DRIVER UNLOCK Relay

--

Mini Wedge Door Jamb Switch (Base)

IGN O Fuse

10A

Passlock Sensor, Automatic Transmission, Powertrain Control Module (PCM) - Gas, Engine Control Module (ECM) - Diesel

TBC IGN O Fuse

10A

Body Control Module (BCM)

VEH CHMSL Fuse

10A

Center High Mounted Stop Lamp (CHMSL)

LT TRLR ST/TRN Fuse

10A

Trailer Wiring Provisions

LT TRN Fuse

10A

Turn Signal Lamps - Left, Marker Lamps - Left, Driver Door Module (DDM), Instrument Panel Cluster (IPC)

VEH STOP Fuse

15A

Tail/Stop and Turn Signal Lamps-Rear, Throttle Actuator Control (TAC)

BODY - 12-WAY - BROWN

--

Fuse Block - Left I/P C4 (Body Harness)

RT TRLR ST/TRN Fuse

10A

Trailer Wiring Provisions

RT TRN Fuse

10A

Turn Signal Lamps - Right, Marker Lamps - Right, Front Passenger Door Module (FPDM), Instrument Panel Cluster (IPC)

DDM Fuse

15A

Driver Door Module (DDM)

AUX PWR 2 Fuse

20A

I/P Accessory Power Outlets, Accessory Power Outlet - Rear

LOCKS Fuse

20A

Door Lock/Unlock Relays

ECC Fuse

10A

Not Used

TBC 2C Fuse

15A

Body Control Module (BCM)

FLASH Fuse

25A

Turn Signal/Hazard Flasher Module

CB - LT DOORS

25A

Window Switch - LR, Driver Door Module (DDM)

TBC 2B Fuse

15A

Body Control Module (BCM)

TBC 2A Fuse

15A

Body Control Module (BCM)

Turn Signal/Hazard Flasher Module

--

Turn Signal/Hazard Flashers

Fuse Block - I/P Top View (Except YE9)


Object Number: 1865852  Size: MF

Fuse Block - I/P Top View (YE9)


Object Number: 1865853  Size: MF

Fuse Block - I/P Bottom View


Object Number: 880533  Size: LF

Fuse Block - I/P C1


Object Number: 362761  Size: CH

Connector Part Information

    • 12193906
    • 68-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

LT BLU

244

Passenger Door Lock Switch Lock Supply Voltage (AU3 w/o YE9)

GRY/BLK

255

Power Door Lock Fuse Supply Voltage (Crew Cab w/YE9)

A3

--

--

Not Used

A4

DK BLU

245

Passenger Door Lock Switch Unlock Supply Voltage (AU3 w/o YE9)

TAN/BLK

254

Power Door Unlock Fuse Supply Voltage (Crew Cab w/YE9)

A5

--

--

Not Used

A6

DK BLU

2115

Right Turn Signal Lamps Supply Voltage

A7

ORN

4240

Battery Positive Voltage (Except Base)

A8

YEL

1618

Trailer Left Rear Turn/Stop Lamp Supply Voltage

A9

DK GRN

1619

Trailer Right Rear Turn/Stop Lamp Supply Voltage

A10

--

--

Not Used

A11

DK BLU

2115

Right Turn Signal Lamps Supply Voltage

DK BLU

2115

Right Turn Signal Lamps Supply Voltage

A12

RED

42

Battery Positive Voltage

B1

YEL

143

Accessory Voltage

B2

YEL

43

Accessory Voltage

B3

YEL

1977

Rear Fog Lamp Relay Control (Export - BCM)

YEL

1977

Rear Fog Lamp Relay Control (Export - Dimming)

B4-B5

--

--

Not Used

B6

LT GRN

1391

Driver Door Unlock Relay Control (AU3 w/o YE9)

B7

--

--

Not Used

B8

WHT

17

Stop Lamp Switch Signal

B9-B10

--

--

Not Used

B11

LT BLU

195

Door Lock Control (AU3 w/o YE9)

LT BLU

195

Door Lock Control (AU3 w/o YE9)

B12

ORN

2140

Battery Positive Voltage

C1

--

--

Not Used

C2

BRN

141

Ignition 3 Voltage (C42)

C3

--

--

Not Used

C4

BRN

41

Ignition 3 Voltage

BRN

41

Ignition 3 Voltage (w/PTO or K34)

C5

BRN

441

Ignition 3 Voltage (NW7)

C8

LT BLU

1620

Trailer CHMSL Supply Voltage

LT BLU

1620

Trailer CHMSL Supply Voltage

C9

GRY

295

Door Lock Actuator Lock Control (w/o YE9)

C10-C12

--

--

Not Used

D1

YEL

243

Accessory Voltage

D2

--

--

Not Used

D3

BRN

341

Ignition 3 Voltage - HVAC Control Module

BRN

341

Ignition 3 Voltage - Fuse Block - Right I/P

D4

--

--

Not Used

D5

BRN

441

Ignition 3 Voltage - Stop Lamp Switch

BRN

441

Ignition 3 Voltage - EBCM

D6-D8

--

--

Not Used

D9

WHT

194

Door Unlock Control (AU3 w/o YE9)

WHT

194

Door Unlock Control (AU3 w/o YE9)

D10

BLK/WHT

1851

Ground

D11

TAN

294

Door Lock Actuator Unlock Control (AU3 w/o YE9)

D12

BRN

541

Ignition 3 Voltage (NYS)

E1

BRN

241

Ignition 3 Voltage (TP2)

E2

BRN

241

Ignition 3 Voltage - Front Axle Actuator (NP1/NP2/NP8)

BRN

241

Ignition 3 Voltage - Transfer Case Control Switch (NP1/NP8)

E3

RED

122

Rear Fog Lamp Supply Voltage (Export)

E4

GRY

118

Left Front Door Speaker Output (-) (UQ3/UQ5/UQ7)

E5

BRN

1046

DDM Class 2 Serial Data (YE9)

E6

--

--

Not Used

E7

PNK

1691

Automatic Day/Night Mirror Low Reference (DF5)

E8

WHT

530

Ignition 0 Voltage

E9

ORN

4540

Battery Positive Voltage (Export)

E10

RED

842

Battery Positive Voltage

E11

ORN

4040

Battery Positive Voltage

E12

ORN

2240

Battery Positive Voltage

F1-F2

--

--

Not Used

F3

LT BLU

2114

Left Turn Signal Lamps Supply Voltage

LT BLU

2114

Left Turn Signal Lamps Supply Voltage

F4

GRY/BLK

745

Left Front Door Ajar Switch Signal (w/o YE9)

GRY

1690

Automatic Day/Night Mirror Signal (DF5)

F5

TAN

201

Left Front Door Speaker Output (+) (UQ3/UQ5/UQ7)

F6

BLK

1050

Ground

F7

BRN/WHT

230

Fuel Pump Enable Control (AU3 w/o YE9)

F8

PNK

1020

Off/Run/Crank Voltage - Fuse Block - Underhood

F9

LT BLU

1320

CHMSL Supply Voltage/Stop Lamp Supply Voltage (4.3L w/K34)

LT BLU

1320

CHMSL Supply Voltage/Stop Lamp Supply Voltage

F10-F12

--

--

Not Used

Fuse Block - I/P C2


Object Number: 366024  Size: CH

Connector Part Information

    • 12193930
    • 6-Way F Metri-Pack 280 Series Flexlock (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

300

Ignition 3 Voltage

B

LT GRN

1427

Right Turn Signal Switch Signal

C

DK GRN

1428

Left Turn Signal Switch Signal

D

WHT

111

Hazard Switch Signal

E

WHT

1390

Off/Run/Crank Voltage

F

BRN

4

Accessory Voltage

Fuse Block - I/P C3


Object Number: 524807  Size: CH

Connector Part Information

    • 12194035
    • 12-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

230

Instrument Panel Lamps Dimming Control (AU3 w/o YE9)

B

WHT

194

Door Unlock Control (AU3 w/o YE9)

C

GRY

295

Door Lock Actuator Lock Control (AU3 w/o YE9)

ORN

1240

Battery Positive Voltage (YE9)

D

BLK

1050

Ground (Base)

BLK

1050

Ground

E

--

--

Not Used

F

TAN

694

Driver Door Lock Actuator Unlock Control (AU3 w/o YE9)

ORN

4140

Battery Positive Voltage (Except Base)

G

TAN

201

Left Front Speaker Output (+) (UQ3)

TAN

201

Left Front Speaker Output (+)

H

PNK

1691

Automatic Day/Night Mirror Low Reference (DF5)

J

LT BLU

195

Door Lock Control (AU3 w/o YE9)

BRN

1046

DDM Class 2 Serial Data

K

GRY/BLK

745

Left Front Door Ajar Switch Signal (w/o YE9)

GRY

1690

Automatic Day/Night Mirror Signal (DF5)

L

GRY

118

Left Front Speaker Output (-) (UQ3)

GRY

118

Left Front Speaker Output (-)

M

BLK

1851

Ground (AU3 w/o YE9)

LT BLU

2114

Left Turn Signal Lamps Supply Voltage (YE9)

Fuse Block - I/P C4 (Crew Cab)


Object Number: 655838  Size: CH

Connector Part Information

    • 15328768
    • 12-Way F Metri-Pack 280 Series Flexlock (BRN)

Pin

Wire Color

Circuit No.

Function

A-D

--

--

Not Used

E

TAN

294

Door Lock Actuator Unlock Control (Crew Cab w/YE9)

TAN

294

Door Lock Actuator Unlock Control (Crew Cab w/YE9)

F-J

--

--

Not Used

K

GRY

295

Left Rear Door Lock Actuator Lock Control (Crew Cab w/YE9)

GRY

295

Right Rear Door Lock Actuator Lock Control (Crew Cab w/YE9)

L

--

--

Not Used

M

ORN

1240

Battery Positive Voltage (Crew Cab w/YE9)

Relay Block - I/P Label


Object Number: 997462  Size: MF

Relay Block I/P Label Usage

Device

Rating

Description

SEO - 6-WAY - BLACK

--

Mobile Radio and Emergency Lighting

TRAILER - 6-WAY - BRN

--

Trailer Provisions

UPFIT - 4-WAY - CRM

--

Upfitter Provisions

SL RIDE - 6-WAY - GRY

--

Manual Selectable Ride (MSR)

HDLNR 2 - 6-WAY - CRM

--

Air Temperature Assembly - Inside, Blower Motor Control Processor, HVAC Actuators, Inside Rearview Mirror

BODY - 12-WAY - WHT

--

Door Courtesy Lamps, Driver/Passenger Seat Modules, Heated Seat Module - LR/RR, Rear Window Defogger Grid, Automatic Occupant Sensing

DEFOG RELAY (C49)

--

Rear Window Defogger Grid

HDLNR 1 - 6-WAY - BRN

--

Courtesy Reading Lamps, Garage Door Opener, Inside Rearview Mirror, Vanity Mirror Lamps

SPARE RELAY

--

Not Used

CB - SEAT

30A

Driver/Passenger Seat Modules

CB - RT - DOOR

25A

Front Passenger Door Module (FPDM), Window Switch - RR

SPARE - 4-WAY - GRY

--

Not Used

INFO - 12-WAY - BLK

--

Rear Seat Audio (RSA) Module, OnStar Module, Audio Amplifier (Bose)

Relay Block - I/P Top View


Object Number: 861868  Size: MF

Relay Block - I/P Bottom View


Object Number: 892417  Size: LF

Relay Block - I/P C1


Object Number: 365994  Size: CH

Connector Part Information

    • 12193905
    • 68-Way F Metri-Pack 280 Series Flexlock (GRY)

Pin

Wire Color

Circuit No.

Function

A1

LT GRN

24

Backup Lamp Supply Voltage - BCM

LT GRN

24

Backup Lamp Supply Voltage - Junction Block - Rear

A2

DK BLU/WHT

149

Cargo Lamp Low Control - Cargo Switch

DK BLU/WHT

149

Cargo Lamp Low Control - BCM

A3

BLK/WHT

1704

Low Reference

A4

DK GRN/

WHT

636

Ambient Air Temperature Sensor Signal

A5

BLK/WHT

1851

Ground - HVAC Module

BLK/WHT

1851

Ground - DLC

A6

WHT

193

Rear Defog Relay Control

A7

--

--

Not Used

A8

BRN/WHT

230

Instrument Panel Lamps Dimming Control

A9

YEL

1139

Ignition 1 Voltage

A10

DK GRN/WHT

817

Vehicle Speed Signal (SBA)

A11

BRN/WHT

230

Instrument Panel Lamps Dimming Control (NW7)

BRN/WHT

230

Instrument Panel Lamps Dimming Control (NP8 or NP1)

A12

GRY/BLK

690

Courtesy Lamp Supply Voltage

B1

PNK

1045

Serial Communications Circuit

B2

ORN

3740

Battery Positive Voltage

B3

BLK/WHT

1851

Ground - Radio

BLK/WHT

1851

Ground - Fuse Block - I/P

B4

--

--

Not Used

B5

BLK/WHT

1851

Ground - C201

BLK/WHT

1851

Ground - C201

B6

ORN

1840

Battery Positive Voltage

B7

RED

642

Battery Positive Voltage

B8

BRN/WHT

230

Instrument Panel Lamps Dimming Control - Cargo Lamp

BRN/WHT

230

Instrument Panel Lamps Dimming Control (NYS)

B9

DK GRN/WHT

817

Vehicle Speed Signal

DK GRN/WHT

817

Vehicle Speed Signal (Y91)

B10

--

--

Not Used

B11

ORN

3240

Battery Positive Voltage

B12

--

--

Not Used

C1

ORN

340

Battery Positive Voltage

C2

BRN/WHT

230

Instrument Panel Lamps Dimming Control (AU3 w/o YE9)

C3

BRN/WHT

230

Instrument Panel Lamps Dimming Control (YE9)

BRN/WHT

230

Instrument Panel Lamps Dimming Control (Export)

C4

--

--

Not Used

C5

BLK/WHT

1851

Ground

C8

BRN/WHT

230

Instrument Panel Lamps Dimming Control - Headlamp Switch

BRN/WHT

230

Instrument Panel Lamps Dimming Control - HVAC Module

C9

ORN

1340

Battery Positive Voltage

C10

BRN

2409

Interior Park Lamps Supply Voltage

C11-C12

--

--

Not Used

D1

WHT/BLK

5515

Inside Air Temperature Sensor Assembly Control (CJ2)

D2

BRN/WHT

230

Instrument Panel Lamps Dimming Control (T89)

BRN/WHT

230

Instrument Panel Lamps Dimming Control (w/o YE9)

BRN/WHT

230

Instrument Panel Lamps Dimming Control (C99)

D3

BRN/WHT

230

Instrument Panel Lamps Dimming Control (PTO)

BRN/WHT

230

Instrument Panel Lamps Dimming Control

D4

ORN

1732

Inadvertent Power Supply Voltage

D5

BLK/WHT

1851

Ground

D8

BLK/WHT

1851

Ground (Y91)

BLK/WHT

1851

Ground

D9

BLK

1050

Ground

D10

BRN

2409

Interior Park Lamps Supply Voltage (C99)

D11

--

--

Not Used

D12

ORN

2340

Battery Positive Voltage

E1

BRN

718

Low Reference (CJ2)

E2

PNK

1691

Automatic Day/Night Mirror Low Reference (DF5)

E3

--

--

Not Used

E4

PPL/WHT

1382

LED Dimming Signal (Export)

PPL/WHT

1382

LED Dimming Signal

E5

BLK/WHT

1851

Ground (Y91 w/UQ7)

BLK/WHT

1851

Ground (AU3 w/o YE9)

BLK/WHT

1851

Ground (LU3)

BLK/WHT

1851

Ground (HP2)

E6

DK GRN/WHT

817

Vehicle Speed Signal - I/P Cluster

DK GRN/WHT

817

Vehicle Speed Signal (NYS)

E7

PPL/WHT

1382

LED Dimming Signal - BCM

PPL/WHT

1382

LED Dimming Signal - Headlamp Dimmer Switch

E8

BLK/WHT

1851

Ground - BCM C2

BLK/WHT

1851

Ground - BCM C3

E9

--

--

Not Used

E10

RED

242

Battery Positive Voltage (w/o LU3)

E11-E12

--

--

Not Used

F1

DK GRN

734

Inside Air Temperature Sensor Signal (CJ2)

F2

GRY

1690

Automatic Day/Night Mirror Signal (DF5)

F3

PNK

739

Ignition 1 Voltage

F4

TAN/WHT

1384

Selective Ride Control Switch Signal (ZX3)

F5

BLK/WHT

1851

Ground (Y91 w/U2K/U2L)

BLK/WHT

1851

Ground (SBA)

BLK/WHT

1851

Ground (NP1/NP8)

F6

PPL/WHT

1382

LED Dimming Signal (T79)

PPL/WHT

1382

LED Dimming Signal (NYS)

F7

ORN

4540

Battery Positive Voltage

ORN

4540

Battery Positive Voltage (Export)

F8

BLK/WHT

1851

Ground (UE1/Y91)

BLK/WHT

1851

Ground (Export)

F9

LT BLU

1620

Trailer CHMSL Supply Voltage

F10

DK BLU

47

Trailer Auxiliary Supply Voltage

F11

YEL

243

Accessory Voltage

F12

--

--

Not Used

Relay Block - I/P C3


Object Number: 655838  Size: CH

Connector Part Information

    • 15328768
    • 12-Way F Metri-Pack 280 Series Flexlock (BRN)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

24

Backup Lamp Supply Voltage (YE9)

B

--

--

Not Used

C

BLK

1050

Ground

D

DK BLU/WHT

149

Cargo Lamp Low Control

E

YEL

1139

Ignition 1 Voltage

F

DK GRN

2308

Passenger Air Bag Off Indicator Control (AL0)

G

BLK/WHT

1704

Low Reference (YE9)

H

DK BLU

2307

Passenger Air Bag On Indicator Control (AL0)

J

LT BLU

1620

CHMSL Supply Voltage

K

DK GRN/WHT

636

Ambient Air Temperature Sensor Signal (YE9)

L

GRY/BLK

690

Courtesy Lamp Supply Voltage

GRY/BLK

690

Courtesy Lamp Supply Voltage (w/ Crew Cab)

M

ORN

1732

Inadvertent Power Supply Voltage

Relay Block - I/P C4


Object Number: 366003  Size: CH

Connector Part Information

    • 12193922
    • 6-Way F Metri-Pack 280 Series Flexlock (CRM)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

PNK

1691

Automatic Day/Night Mirror Low Reference (DF5)

C

GRY

1690

Automatic Day/Night Mirror Signal

D

DK GRN

734

Inside Air Temperature Sensor Signal

E

BRN

718

Low Reference

F

WHT/BLK

5515

Inside Air Temperature Sensor Assembly Control

Relay Block - I/P C5


Object Number: 366015  Size: CH

Connector Part Information

    • 12193928
    • 6-Way F Metri-Pack 280 Series Flexlock (GRY)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

PPL/WHT

1382

LED Dimming Signal (ZX3)

PPL/WHT

1382

LED Dimming Signal (5G4/5X7/5Y0/TRW)

C

TAN/WHT

1384

Selective Ride Control Switch Signal (ZX3)

D

PNK

739

Ignition 1 Voltage (ZX3)

E

BLK

1050

Ground (ZX3)

F

BRN/WHT

230

Instrument Panel Lamps Dimming Control (ZX3)

BRN/WHT

230

Instrument Panel Lamps Dimming Control (5X7/5G4/TRW/5Y0)

Relay Block - I/P C7 (Z82 or T89)


Object Number: 886343  Size: CH

Connector Part Information

    • 12193924
    • 6-Way F Metri-Pack 280 Series Flexlock (BRN)

Pin

Wire Color

Circuit No.

Function

A

BRN

2409

Interior Park Lamps Supply Voltage (Z82 w/o T89)

B

RED

242

Battery Positive Voltage (Z82 w/o T89)

C

DK BLU

47

Trailer Auxiliary Supply Voltage (Z82 w/o T89)

D

LT BLU

1620

Trailer CHMSL Supply Voltage (Z82 w/o T89)

E

--

--

Not Used

F

BLK

1050

Ground (Z82 w/o T89)

Relay Block - I/P C8 (5G4/5X7/5Y0/TRW)


Object Number: 366024  Size: CH

Connector Part Information

    • 12193930
    • 6-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

2340

Battery Positive Voltage (5G4/TRW)

B-C

--

--

Not Used

D

YEL

243

Accessory Voltage (9L4)

E

ORN

4540

Battery Positive Voltage (5G4/5X7/5Y0/TRW)

F

BLK

1050

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

Relay Block - I/P C9


Object Number: 524807  Size: CH

Connector Part Information

    • 12194035
    • 12-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

PNK

1045

Serial Communications Circuit

C

--

--

Not Used

D

ORN

3740

Battery Positive Voltage (UQ7 w/o Y91)

E

ORN

340

Battery Positive Voltage (UQ7 w/o Y91)

ORN

340

Battery Positive Voltage (U2K/U2L w/o Y91)

F-G

--

--

Not Used

H

ORN

3240

Battery Positive Voltage (UE1 w/o Y91)

ORN

3240

Battery Positive Voltage (UE1 w/o Y91)

J

ORN

3240

Battery Positive Voltage (U42 w/o Y91)

K

BLK/WHT

1851

Ground (U42)

BLK/WHT

1851

Ground (UE1)

L

BLK/WHT

1851

Ground (w/o Y91)

M

BLK/WHT

1851

Ground (UQ7 w/o Y91)

BLK/WHT

1851

Ground (U2K/U2L)

Relay Block - I/P C10


Object Number: 831381  Size: CH

Connector Part Information

    • 15357030
    • 12-Way F Metri-Pack 280 Series Flex-Lock (NAT)

Pin

Wire Color

Circuit No.

Function

A-C

--

--

Not Used

D

DK GRN

2308

Passenger Air Bag Off Indicator Control (AL0)

E

ORN

1440

Battery Positive Voltage (AG2)

F

BRN/WHT

230

Instrument Panel Lamps Dimming Control (YE9 and Crew Cab)

BRN/WHT

230

Instrument Panel Lamps Dimming Control (YE9 and Crew Cab w/o Y91)

G

DK BLU

2307

Passenger Air Bag On Indicator Control (AL0)

H

ORN

1440

Battery Positive Voltage (AG1)

J

--

--

Not Used

K

ORN

1340

Battery Positive Voltage (Crew Cab w/YE9)

L

PPL

293

Rear Defog Element Supply Voltage (C49)

M

YEL

1139

Ignition 1 Voltage (AL0)

YEL

1139

Ignition 1 Voltage (SIR SDM)

Junction Block - I/P Top View


Object Number: 798142  Size: MF

Junction Block - I/P C1 - Bottom View


Object Number: 1156070  Size: MF

Junction Block - I/P Wire Entry

Connector Part Information

    • 15401495
    • 48-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

2A

DK GRN

117

Right Front Speaker Output (-) (UQ3/UQ5)

DK GRN

117

Right Front Speaker Output (-) (UQ7/Y91)

2B

LT GRN

200

Right Front Speaker Output (+) (UQ3/UQ5)

LT GRN

200

Right Front Speaker Output (+) (UQ7/Y91)

2C

BLK

1851

Ground (AU3 w/o YE9)

2D

BRN/WHT

230

Instrument Panel Lamps Dimming Control (AU3 w/o YE9/Y91)

2E

TAN/WHT

746

Right Front Door Ajar Switch Signal (w/o YE9)

2F

BLK

1050

Ground

3A- 3F

--

--

Not Used

4A

BLK

1050

Ground

4B

ORN

52

Blower Motor High Control (C42 and CJ3)

GRY/BLK

2337

Lower Right Air Temperature Sensor Signal (CJ2)

4C

PPL

73

Medium 3 Blower Motor Control (C42 and CJ3)

BRN

718

Low Reference (CJ2)

4D

RED

542

Battery Positive Voltage

4E

TAN

63

Blower Motor Medium 1 Control (C42 and CJ3)

PPL

1838

Recirculation Door Position Signal (CJ2)

4F

PPL/WHT

760

Blower Motor Speed Control (CJ2)

4G

YEL

60

Blower Motor Low Control (C42/CJ3)

4H

--

--

Not Used

4J

LT BLU/BLK

1688

5-Volt Reference (CJ3/CJ2)

4K

LT BLU

72

Medium 2 Blower Motor Control (CJ3/C42)

4L

--

--

Not Used

4M

YEL

1791

Low Reference (CJ2/CJ3)

5A

--

--

Not Used

5B

LT GRN

2275

Mode Door Position Signal (CJ2/CJ3)

5C

TAN

2273

Mode Door Control (CJ2/CJ3)

5D

DK BLU

1199

Left Air Temperature Door Control (CJ2/CJ3)

5E

LT BLU

733

Left Air Temperature Door Position Signal (CJ2/CJ3)

5F

--

--

Not Used

6A

ORN

3840

Battery Positive Voltage (CF5)

6B

BRN

2409

Interior Park Lamps Supply Voltage

6C

BLK

1050

Ground

6D

DK BLU

1353

RAP Supply Voltage (CF5)

6E-6F

--

--

Not Used

7A

GRY

295

Door Lock Actuator Lock Control (AU3 w/o YE9)

7B

TAN

1047

PDM Class 2 Serial Data

7C

ORN

4240

Battery Positive Voltage (YE9)

7D

TAN

294

Door Lock Actuator Unlock Control (AU3 w/o YE9)

7E

WHT

194

Door Unlock Control (AU3 w/o YE9)

ORN

1340

Battery Positive Voltage (YE9)

7F

LT BLU

195

Door Lock Control (AU3 w/o YE9)

DK BLU

2115

Right Turn Signal Lamps Supply Voltage (Except Base)

8A

WHT/BLK

2339

Lower Left Air Temperature Sensor Signal (CJ2)

8B

--

--

Not Used

8C

BRN

341

Ignition 3 Voltage (CJ2/CJ3)

8D

DK BLU

1646

Right Air Temperature Door Position Signal (CJ2/CJ3)

8E

WHT/BLK

1236

Right Air Temperature Door Control (CJ2/CJ3)

8F

DK GRN

1614

Recirculation Door Control (CJ2/CJ3)

Junction Block - I/P - C2


Object Number: 366024  Size: CH

Connector Part Information

    • 12193930
    • 6-Way F Metri-Pack 280 Series Flexlock (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

117

Right Front Speaker Output (-) (UQ3/UQ5/UQ7)

DK GRN

117

Right Front Speaker Output (-) (UQ3)

B

LT GRN

200

Right Front Speaker Output (+) (UQ3/UQ5/UQ7)

LT GRN

200

Right Front Speaker Output (+) (UQ3)

C

BLK

1851

Ground (AU3 w/o YE9)

D

BRN/WHT

230

Instrument Panel Lamps Dimming Control (AU3 w/o YE9)

E

BLK/WHT

746

Right Front Door Ajar Switch Signal (w/o YE9)

F

BLK

1050

Ground (YE9)

BLK

1050

Ground (w/o YE9)

BLK

1050

Ground (w/o YE9)

Junction Block - I/P - C4


Object Number: 655757  Size: CH

Connector Part Information

    • 12194037
    • 12-Way F Metri-Pack 280 Series Flexlock (BRN)

Pin

Wire Color

Circuit No.

Function

A

BLK

1050

Ground

B

ORN

52

Blower Motor High Control (C42/CJ3)

GRY/BLK

2337

Lower Right Air Temperature Sensor Signal (CJ2)

C

PPL

73

Medium 3 Blower Motor Control (C42/CJ3)

BRN

718

Low Reference - Air Temperature Sensor - Lower Left (CJ2)

BRN

718

Low Reference - Air Temperature Sensor - Lower Right (CJ2)

D

RED

542

Battery Positive Voltage (C42/CJ3)

E

TAN

63

Blower Motor Medium 1 Control (C42/CJ3)

PPL

1838

Recirculation Door Position Signal (CJ2)

F

PPL/WHT

760

Blower Motor Speed Control (CJ2)

G

YEL

60

Blower Motor Low Control (C42/CJ3)

H

LT BLU/BLK

1688

5-Volt Reference - Air Temperature Actuator - Left (CJ2/CJ3)

LT BLU/BLK

1688

5-Volt Reference - Air Temperature Actuator - Right (CJ2/CJ3)

J

LT BLU/BLK

1688

5-Volt Reference - Mode Actuator (CJ2)

LT BLU/BLK

1688

5-Volt Reference - Recirculation Actuator (CJ2)

LT BLU/BLK

1688

5-Volt Reference - Mode Actuator (CJ3)

K

LT BLU

72

Medium 2 Blower Motor Control (C42/CJ3)

L

YEL

1791

Low Reference - Recirculation Actuator (CJ2)

YEL

1791

Low Reference - Mode Actuator (CJ2)

YEL

1791

Low Reference - Mode Actuator (CJ3)

M

YEL

1791

Low Reference - Air Temperature Actuator - Left (CJ2/CJ3)

YEL

1791

Low Reference - Air Temperature Actuator - Right (CJ2/CJ3)

Junction Block - I/P - C5


Object Number: 366012  Size: CH

Connector Part Information

    • 12193924
    • 6-Way F Metri-Pack 280 Series Flexlock (BRN)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

LT GRN

2275

Mode Door Position Signal

C

TAN

2273

Mode Door Control

D

DK BLU

1199

Left Air Temperature Door Control (CJ2/CJ3)

E

LT BLU

733

Left Air Temperature Door Position Signal (CJ2/CJ3)

F

--

--

Not Used

Junction Block - I/P - C6


Object Number: 655740  Size: CH

Connector Part Information

    • 12193929
    • 6-Way F Metri-Pack 280 Series Flexlock (LT GRN)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

BRN

2409

Interior Park Lamps Supply Voltage

C

BLK

1050

Ground

D-F

--

--

Not Used

Junction Block - I/P - C7


Object Number: 366003  Size: CH

Connector Part Information

    • 12193922
    • 6-Way F Metri-Pack 280 Series Flexlock (CRM)

Pin

Wire Color

Circuit No.

Function

A

GRY

295

Door Lock Actuator Lock Control (AU3 w/o YE9)

B

TAN

1047

PDM Class 2 Serial Data

C

ORN

4240

Battery Positive Voltage (YE9)

D

TAN

294

Door Lock Actuator Unlock Control (AU3 w/o YE9)

E

WHT

194

Door Unlock Control (AU3 w/o YE9)

ORN

1340

Battery Positive Voltage

F

LT BLU

195

Door Lock Control (AU3 w/o YE9)

DK BLU

2115

Right Turn Signal Lamps Supply Voltage (YE9)

Junction Block - I/P - C8


Object Number: 366015  Size: CH

Connector Part Information

    • 12193928
    • 6-Way F Metri-Pack 280 Series Flexlock (GRY)

Pin

Wire Color

Circuit No.

Function

A

WHT/BLK

2339

Lower Left Air Temperature Sensor Signal (CJ2)

B

BRN

341

Ignition 3 Voltage - Air Temperature Actuator - Left (CJ2/CJ3)

BRN

341

Ignition 3 Voltage - Air Temperature Actuator - Right (CJ2/CJ3)

C

BRN

341

Ignition 3 Voltage - Recirculation Actuator (CJ2/CJ3)

BRN

341

Ignition 3 Voltage - Mode Actuator (CJ2/CJ3)

D

DK BLU

1646

Right Air Temperature Door Position Signal (CJ2/CJ3)

E

WHT/BLK

1236

Right Air Temperature Door Control (CJ2/CJ3)

F

DK GRN

1614

Recirculation Door Control (CJ2/CJ3)

Junction Block - Rear


Object Number: 891656  Size: MF

Junction Block - Rear Lamps - C1


Object Number: 374043  Size: CH

Connector Part Information

    • 15305595
    • 8-Way F GT 280 Series Sealed (BLU)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

2114

Left Turn Signal Lamps Supply Voltage

B

LT BLU

1320

Stop Lamp Supply Voltage

C

LT GRN

24

Backup Lamp Supply Voltage

D

BRN/WHT

2609

Right Rear Park Lamps Supply Voltage

E

BLK

1550

Ground (30 Series Except Chassis Cab)

BLK

1650

Ground (30 Series Chassis Cab)

BLK

1750

Ground (10/20 Series)

F

--

--

Not Used

G

BRN

2509

Left Rear Park Lamps Supply Voltage

H

DK BLU

2115

Right Turn Signal Lamps Supply Voltage

Junction Block - Rear Lamps - C2


Object Number: 845660  Size: CH

Connector Part Information

    • 15317305
    • 8-Way F GT 280 Series (MD GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

1750

Ground

B

BLK

1750

Ground (Z88)

C

BLK

1750

Ground (Z88)

D

LT BLU

1320

CHMSL Supply Voltage/Stop Lamp Supply Voltage

E

BRN

2509

Left Rear Tail Lamps Supply Voltage (NYS)

F

LT GRN

24

Backup Lamp Supply Voltage

G

--

--

Unavailable

H

DK BLU

2114

Left Turn Signal Lamps Supply Voltage

Junction Block - Rear Lamps - C3


Object Number: 374048  Size: CH

Connector Part Information

    • 15305599
    • 8-Way F GT 280 Series (BRN)

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

2609

Right Rear Park Lamps Supply Voltage

B-C

--

--

Not Used

D

BLK

1750

Ground (03/43/53/NYS/R05/VF7)

E

BLK

1750

Ground - Domestic Only

F

--

--

Not Used

G

BRN

2509

Left Rear Park Lamps Supply Voltage

H

BLK

1750

Ground

Junction Block - Rear Lamps - C4


Object Number: 845662  Size: CH

Connector Part Information

    • 15317306
    • 8-Way F GT 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

1320

Stop Lamp Supply Voltage

B

BRN

2609

Right Rear Park Lamps Supply Voltage

C

BLK

1750

Ground

D

BLK

1750

Ground (Z88)

E

LT GRN

1324

Backup Lamp Supply Voltage

F

DK BLU

2115

Right Turn Signal Lamps Supply Voltage

G

--

--

Unavailable

H

BLK

1750

Ground (Z88)