GM Service Manual Online
For 1990-2009 cars only
Table 1: Fuse Block - Underhood (4.2L, LL8), Label Usage
Table 2: Fuse Block - Underhood (5.3L, LM4), Label Usage
Table 3: Fuse Block - Underhood C1 (4.2L)
Table 4: Fuse Block - Underhood C1 (5.3L)
Table 5: Fuse Block - Underhood C2
Table 6: Fuse Block - Underhood C3
Table 7: Fuse Block - Underhood C4
Table 8: Fuse Block - Underhood C5
Table 9: Fuse Block - Underhood C6
Table 10: Fuse Block - Underhood C7
Table 11: Fuse Block - Rear, Label Usage
Table 12: Fuse Block - Rear C1
Table 13: Fuse Block - Rear C2
Table 14: Fuse Block - Rear C3
Table 15: Fuse Block - Rear C4

Fuse Block - Underhood (4.2L, LL8), Label


Object Number: 1201216  Size: MF

Fuse Block - Underhood (4.2L, LL8), Label Usage

Fuse

Rating

Description

ECAS Fuse

30A

Automatic Level Control Compressor

HI HDLP-RT Fuse

10A

Right high-beam headlamp

LOW HDLP-RT Fuse

10A

Right low-beam headlamp (daytime running lamp)

TRLR B/U Fuse

10A

Trailer Connector

HI HDLP-LT Fuse

10A

Left high-beam headlamp

LOW HDLP-LT Fuse

10A

Left low-beam headlamp (daytime running lamp)

WASH Fuse

20A

HDLP WASH Relay

ATC Fuse

25A

Transfer Case Shift Control Module, Transfer Case Encoder Motor

W/S WASH Fuse

15A

W/S WASH Relay

PCM B Fuse

20A

F/PMP Relay, Powertrain Control Module (PCM)

FOG LAMP Fuse

15A

FOG LP Relay

ST/LP Fuse

25A

Stop Lamp Switch

CIGAR Fuse

20A

Data Link Connector (DLC), Cigar Lighter

COILS Fuse

10A

HDLP-HI Relay, Hi beam headlamps

RIDE Fuse

--

Not Used

TBC IGN 1 Fuse

10A

Body Control Module (BCM)

CRANK Fuse

10A

Powertrain Control Module

SIR Fuse

10A

Inflatable Restraint Sensing and Diagnostic Module (SDM)

ELEK BRK Fuse

30A

Trailer Brake Wiring

FAN Fuse

10A

FAN Relay (Fan Driver Module)

HORN Fuse

15A

HORN Relay

IGN E Fuse

10A

IGN 1 Relay, A/C Relay, Park/Neutral Position (PNP) Switch, Headlamp Leveling Actuators, Inverting Driver Module, Stop Lamp Switch, Traction Control Switch, Headlamp Leveling Switch, Instrument Panel Cluster, Turn Signal/Multifunction Switch, Inside Rearview Mirror

ETC Fuse

10A

Powertrain Control Module (PCM)

IPC/DIC Fuse

10A

Instrument Panel Cluster (IPC)

BTSI Fuse

10A

Stop Lamp Switch, A/T Shift Lock Actuator

ENG I Fuse

10A

EVAP Canister Purge Solenoid, EVAP Canister Vent Solenoid

BACK UP Fuse

15A

Park/Neutral Position (PNP) Switch

PCM I

15A

Powertrain Control Module (PCM), Fuel Injectors, Ignition Coils

O2 Fuse

10A

Heated Oxygen Sensors

A/C Fuse

10A

A/C Relay

TBC I Fuse

10A

Body Control Module (BCM)

TRLR RT TURN Fuse

10A

Trailer Connector

TRLR LT TURN Fuse

10A

Trailer Connector

FLASH Fuse

25A

Turn Signal/Hazard Flasher Module

TRAILER

30A

Trailer Connector

ABS Fuse

60A

Electronic Brake Control Module (EBCM)

IGN A Fuse

40A

Starter Relay, Ignition Switch

BLOWER Fuse

40A

Blower Motor Resistor Assembly (CJ3), Blower Motor Control Processor (CJ2)

IGN B Fuse

40A

Ignition Switch

HDLP WASH Relay

--

Headlamp Washer Pump

REAR WASH Relay

--

Rear Window Washer Fluid Pump

FOG LP Relay

--

Front Fog Lamps

HORN Relay

--

Horns

F/PMP Relay

--

Fuel Pump

W/S WASH Relay

--

Windshield Washer Fluid Pump

HDLP-HI Relay

--

Body Control Module (BCM)

A/C Relay

--

Headlamp - High Beam - Left

FAN Relay

--

Engine Cooling Fan

HDM Relay

--

Headlamp Driver Module; low beam headlamps (daytime running lamps)

STARTER Relay

--

Starter Solenoid

I/P BATT Fuse

125A

Fuse Block-Rear

Fuse Block - Underhood (5.3L, LM4), Label


Object Number: 1201217  Size: MF

Fuse Block - Underhood (5.3L, LM4), Label Usage

Fuse

Rating

Description

ECAS Fuse

30A

Automatic Level Control Compressor

HI HDLP-RT Fuse

10A

Right high-beam headlamp

LOW HDLP-RT Fuse

10A

Right low-beam headlamp (daytime running lamp)

TRLR B/U Fuse

10A

Trailer Connector

HI HDLP-LT Fuse

10A

Left high-beam headlamp

LOW HDLP-LT Fuse

10A

Left low-beam headlamp (daytime running lamp)

WASH Fuse

20A

HDLP WASH Relay

ATC Fuse

25A

Transfer Case Shift Control Module, Transfer Case Encoder Motor

W/S WASH Fuse

15A

W/S WASH Relay

PCM B Fuse

20A

F/PMP Relay, Powertrain Control Module (PCM)

FOG LAMP Fuse

15A

FOG LP Relay

ST/LP Fuse

25A

Stop Lamp Switch

CIGAR Fuse

20A

Data Link Connector (DLC), Cigar Lighter

COILS Fuse

10A

HDLP-HI Relay, Hi beam headlamps

CANISTER Fuse

10A

EVAP Canister Vent Solenoid

TBC IGN 1 Fuse

10A

Body Control Module (BCM)

CRANK Fuse

10A

Powertrain Control Module

SIR Fuse

10A

Inflatable Restraint Sensing and Diagnostic Module (SDM)

ELEK BRK Fuse

30A

Trailer Brake Wiring

FAN Fuse

10A

FAN Relay (Fan Driver Module)

HORN Fuse

15A

HORN Relay

IGN E Fuse

10A

IGN 1 Relay, A/C Relay, Park/Neutral Position (PNP) Switch, Headlamp Leveling Actuators, Inverting Driver Module, Stop Lamp Switch, Traction Control Switch, Headlamp Leveling Switch, Instrument Panel Cluster, Turn Signal/Multifunction Switch, Inside Rearview Mirror

ETC Fuse

10A

Powertrain Control Module (PCM)

IPC/DIC Fuse

10A

Instrument Panel Cluster (IPC)

BTSI Fuse

10A

Stop Lamp Switch, A/T Shift Lock Actuator

ENG I Fuse

10A

EVAP Canister Purge Solenoid, EVAP Canister Vent Solenoid

BACK UP Fuse

15A

Park/Neutral Position (PNP) Switch

PCM I

15A

Powertrain Control Module (PCM), Fuel Injectors, Ignition Coils

A/C Fuse

10A

A/C Relay

TBC I Fuse

10A

Body Control Module (BCM)

TRLR RT TURN Fuse

10A

Trailer Connector

TRLR LT TURN Fuse

10A

Trailer Connector

FLASH Fuse

25A

Turn Signal/Hazard Flasher Module

O2A

15A

HO2S1, Bank 1 and Bank 2

O2B

15A

HO2S2, Bank 1 and Bank 2

INJ A

15A

Left Bank Ignition Coils and Fuel Injectors

INJ B

15A

Right Bank Ignition Coils and Fuel Injectors

IGN 1 Relay

--

INJ A Fuse, INJ B Fuse, and ETC Fuse

TRAILER

30A

Trailer Connector

ABS Fuse

60A

Electronic Brake Control Module (EBCM)

IGN A Fuse

40A

Starter Relay, Ignition Switch

BLOWER Fuse

40A

Blower Motor Resistor Assembly (CJ3), Blower Motor Control Processor (CJ2)

IGN B Fuse

40A

Ignition Switch

HDLP WASH Relay

--

Headlamp Washer Pump

REAR WASH Relay

--

Rear Window Washer Fluid Pump

FOG LP Relay

--

Front Fog Lamps

HORN Relay

--

Horns

F/PMP Relay

--

Fuel Pump

W/S WASH Relay

--

Windshield Washer Fluid Pump

HDLP-HI Relay

--

Body Control Module (BCM)

A/C Relay

--

Headlamp - High Beam - Left

FAN Relay

--

Engine Cooling Fan

HDM Relay

--

Headlamp Driver Module; low beam headlamps (daytime running lamps)

STARTER Relay

--

Starter Solenoid

I/P BATT Fuse

125A

Fuse Block-Rear

Fuse Block - Underhood, Top View (4.2L)


Object Number: 1201560  Size: MF

Fuse Block - Underhood, Top View (5.3L)


Object Number: 1214930  Size: MF

Fuse Block - Underhood, Bottom View


Object Number: 1201561  Size: MF

Fuse Block - Underhood C1 (4.2L)


Object Number: 647955  Size: CH

Connector Part Information

    • 15319897
    • 68-Way F Metri-Pack 280 Series Flexlock (LT GRY)

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

PNK

839

Ignition 1 Voltage

A3-A4

--

--

Not Used

A5

PNK

639

Ignition 1 Voltage

A6-A7

--

--

Not Used

A8

PPL

6

Starter Solenoid Crank Voltage

A9

GRY

1524

Backup Lamp Supply Voltage

A10

YEL

1737

Neutral Safety Switch Park/Neutral Signal

A11

DK GRN/WHT

465

Fuel Pump Relay Control

A12

--

--

Not Used

B1

--

--

Not Used

B2

PNK

339

Ignition 1 Voltage

B3-B4

--

--

Not Used

B5

PNK

239

Ignition 1 Voltage

B6

--

--

Not Used

B7

LT GRN

275

Park Neutral Position Switch Park Signal

B8

--

--

Not Used

B9

WHT

1310

EVAP Canister Vent Solenoid Control

B10

ORN/BLK

463

Requested Torque Signal

B11-B12

--

--

Not Used

C1

--

--

Not Used

C2

PNK

539

Ignition 1 Voltage

PNK

539

Ignition 1 Voltage

C3-C4

--

--

Not Used

C5

PNK

439

Ignition 1 Voltage

PNK

439

Ignition 1 Voltage

C8-C9

--

--

Not Used

C10

BLK

550

Ground

C11

TAN/BLK

464

Delivered Torque Signal

C12

--

--

Not Used

D1

--

--

Not Used

D2

PNK

1020

Ignition 0 Voltage

D3

BLK

350

Ground

D4

--

--

Not Used

D5

PNK

439

Ignition 1 Voltage

PNK

439

Ignition 1 Voltage

D8-D9

--

--

Not Used

D10

BLK

550

Ground

BLK

550

Ground

D11-D12

--

--

Not Used

E1-E4

--

--

Not Used

E5

PNK

439

Ignition 1 Voltage

PNK

439

Ignition 1 Voltage

E6

BLK

450

Ground

E7-E9

--

--

Not Used

E10

BLK

550

Ground

BLK

550

Ground

E11

--

--

Not Used

E12

DK GRN

59

A/C Compressor Clutch Supply Voltage

F1-F2

--

--

Not Used

F3

BLK

350

Ground

F4

--

--

Not Used

F5

PNK

439

Ignition 1 Voltage

PNK

439

Ignition 1 Voltage

F6

BLK

450

Ground

F7-F9

--

--

Not Used

F10

BLK

550

Ground

BLK

550

Ground

F11-F12

--

--

Not Used

Fuse Block - Underhood C1 (5.3L)


Object Number: 647955  Size: CH

Connector Part Information

    • 15319897
    • 68-Way F Metri-Pack 280 Series Flexlock (LT GRY)

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

PNK

1539

Ignition 1 Voltage

PNK

1539

Ignition 1 Voltage

A3-A4

--

--

Not Used

A5

PNK

639

Ignition 1 Voltage

A6

PNK

806

Crank Voltage

A7

ORN/BLK

463

Requested Torque Signal

A8

PNK

6

Starter Solenoid Crank Voltage

A9

GRY

1524

Backup Lamp Signal

A10

YEL

1737

Neutral Safety Switch Park/Neutral Signal

A11-A12

--

--

Not Used

B1

--

--

Not Used

B2

PNK

339

Ignition 1 Voltage

B3-B4

--

--

Not Used

B5

PNK

239

Ignition 1 Voltage

PNK

239

Ignition 1 Voltage

B6

--

--

Not Used

B7

LT GRN

275

Park Neutral Position Switch Park Signal

B8

DK GRN/WHT

465

Fuel Pump Relay Control

B9

WHT

1310

EVAP Canister Vent Solenoid Control

B10

TAN/BLK

464

Delivered Torque Signal

B11-B12

--

--

Not Used

C1

--

--

Not Used

C2

PNK

539

Ignition 1 Voltage

C3-C4

--

--

Not Used

C5

PNK

439

Ignition 1 Voltage

C8-C9

--

--

Not Used

C10

BLK

550

Ground

C11

--

--

Not Used

C12

PNK

1339

Ignition 1 Voltage

PNK

1339

Ignition 1 Voltage

D1

--

--

Not Used

D2

PNK

1020

Ignition 0 Voltage

D3

BLK

350

Ground

D4

WHT/BLK

2366

Cooling Fan Clutch Control

D5-D8

--

--

Not Used

D9

DK GRN/WHT

459

A/C Compressor Clutch Relay Control

D10

BLK

550

Ground

BLK

550

Ground

D11

DK GRN

59

A/C Compressor Clutch Supply Voltage

D12

PNK

1239

Ignition 1 Voltage

PNK

1239

Ignition 1 Voltage

E1-E5

--

--

Not Used

E6

BLK

450

Ground

E7

YEL/BLK

625

Starter Enable Relay Control

E8-E9

--

--

Not Used

E10

BLK

550

Ground

E11

--

--

Not Used

E12

PNK

839

Ignition 1 Voltage

F1-F2

--

--

Not Used

F3

BLK

350

Ground

F4-F5

--

--

Not Used

F6

BLK

450

Ground

F7

BLK

450

Ground

F8-F12

--

--

Not Used

Fuse Block - Underhood C2


Object Number: 647951  Size: CH

Connector Part Information

    • 15319896
    • 68-Way F Metri-Pack 280 Series Flexlock (BLK)

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

DK GRN

189

Headlamp Leveling Motor Supply Voltage

A3

ORN

57

Left Cornering Lamp Supply Voltage

A4

--

--

Not Used

A5

WHT/BLK

2366

Cooling Fan Clutch Control

A6

BRN

2309

Front Park Lamps Supply Voltage

A7

ORN

440

Battery Positive Voltage

A8-A9

--

--

Not Used

A10

YEL

18

Left Rear Stop/Turn Lamp Supply Voltage

A11

ORN

1640

Battery Positive Voltage

A12

ORN

2268

Windshield Washer Relay Control

B1

DK BLU

2115

Right Turn Signal Lamps Supply Voltage

B2

--

--

Not Used

B3

PNK/WHT

1970

Headlamp Low Beam Relay Control

B4-B5

--

--

Not Used

B6

PNK

639

Ignition 1 Voltage

B7

BLK

58

Right Cornering Lamp Supply Voltage

B8-B9

--

--

Not Used

B10

PPL

420

TCC Brake Switch Signal

B11

BRN

241

Ignition 3 Voltage

B12

--

--

Not Used

C1

LT BLU

2114

Left Turn Signal Lamps Supply Voltage

C2

DK GRN/WHT

1317

Fog Lamp Relay Control

C3

LT GRN

2270

Rear Window Washer Relay Control

C4-C8

--

--

Not Used

C9

ORN

1540

Battery Positive Voltage

C10

--

--

Not Used

C11

BRN

441

Ignition 3 Voltage

C12

BLK/WHT

1969

Headlamp High Beam Relay Control

D1

DK GRN/

WHT

1317

Fog Lamp Relay Control

D2

--

--

Not Used

D3

WHT

2282

Headlamp Washer Relay Control

D4

--

--

Not Used

D5

ORN

140

Battery Positive Voltage

D8

--

--

Not Used

D9

ORN

640

Battery Positive Voltage

ORN

640

Battery Positive Voltage

D10

DK GRN

19

Right Rear Stop/Turn Lamp Supply Voltage

D11-D12

--

--

Not Used

E1

ORN

2340

Battery Positive Voltage

E2

BLK

28

Horn Relay Control

E3

PNK

1020

Ignition 0 Voltage

E4

--

--

Not Used

E5

PNK

39

Ignition 1 Voltage

E6

ORN

1140

Battery Positive Voltage

E7-E9

--

--

Not Used

E10

LT GRN/BLK

584

A/T Shift Lock Control Switch Supply Voltage

LT GRN/BLK

584

A/T Shift Lock Control Switch Supply Voltage

E11

BLK/WHT

1695

Axle Switch Signal

E12

--

--

Not Used

F1

ORN

2940

Battery Positive Voltage

F2-F4

--

--

Not Used

F5

YEL

1139

Ignition 1 Voltage

F6

PPL

806

Crank Voltage

F7

YEL

5

Crank Voltage

F8

YEL/BLK

625

Starter Enable Relay Control

F9

GRY

1524

Backup Lamp Supply Voltage

F10

DK GRN

1433

Neutral Start Switch Signal

F11

RED

142

Battery Positive Voltage

F12

DK GRN/

WHT

459

A/C Clutch Relay Control

Fuse Block - Underhood C3


Object Number: 647944  Size: CH

Connector Part Information

    • 15319892
    • 32-Way F Metri-Pack 280 Series Flexlock (NAT)

Pin

Wire Color

Circuit No.

Function

A1-A2

--

--

Not Used

A3

ORN

2840

Battery Positive Voltage

A4

--

--

Not Used

A5

PNK

239

Ignition 1 Voltage

A6

--

--

Not Used

B1-B3

--

--

Not Used

B4

LT GRN

1624

Trailer Backup Lamps Supply Voltage

B5

BRN

441

Ignition 3 Voltage

B6

--

--

Not Used

C1-C6

--

--

Not Used

D1

--

--

Not Used

D2

YEL

1618

Trailer Left Rear Turn/Stop Lamp Supply Voltage

D5

TAN/BLK

464

Delivered Torque Signal

D6

BLK/WHT

1695

Axle Switch Signal

E1-E2

--

--

Not Used

E3

PPL

420

TCC Brake Switch Signal

E4

BRN

241

Ignition 3 Voltage

E5

ORN

1640

Battery Positive Voltage

E6

--

--

Not Used

F1

BLK

350

Ground

BLK

350

Ground

F2

ORN/BLK

463

Requested Torque Signal

F3

GRY

120

Fuel Pump Supply Voltage

F4

WHT

1310

EVAP Canister Vent Solenoid Control

F5

--

--

Not Used

F6

DK GRN

1619

Trailer Right Rear Turn/Stop Lamp Supply Voltage

Fuse Block - Underhood C4


Object Number: 647947  Size: CH

Connector Part Information

    • 15319893
    • 32-Way F Metri-Pack 280 Series Flexlock (MD GRY)

Pin

Wire Color

Circuit No.

Function

A1

BRN

2309

Front Park Lamps Supply Voltage

BRN

2309

Front Park Lamps Supply Voltage

A2

--

--

Not Used

A3

WHT

2368

Cooling Fan Clutch Supply Voltage

A4-A5

--

--

Not Used

A6

LT BLU

2114

Left Turn Signal Lamps Supply Voltage

LT BLU

2114

Left Turn Signal Lamps Supply Voltage

B1

BRN

2309

Front Park Lamps Supply Voltage (X88 & WX7)

B1

BRN

2309

Front Park Lamps Supply Voltage

B2

PNK

639

Ignition 1 Voltage

B3

BLK

58

Right Cornering Lamp Supply Voltage

B4

ORN

57

Left Cornering Lamp Supply Voltage

B5

DK GRN

392

Rear Window Washer Pump Control

B6

--

--

Not Used

C1-C2

--

--

Not Used

C5

BLK

350

Ground

C6

DK BLU

2115

Right Turn Signal Lamps Supply Voltage

D1-D2

--

--

Not Used

D5

DK GRN

189

Headlamp Leveling Motor Supply Voltage

D6

--

--

Not Used

E1

DK GRN/

WHT

711

Left Headlamp High Beam Supply Voltage

E2

YEL

712

Left Headlamp Low Beam Supply Voltage

E3

--

--

Not Used

E4

RED

228

Windshield Washer Pump Control

E5-E6

--

--

Not Used

F1

LT GRN/BLK

311

Right Headlamp High Beam Supply Voltage

F2

TAN/WHT

312

Right Headlamp Low Beam Supply Voltage

F3

--

--

Not Used

F4

DK GRN

1329

Horn Fuse Supply Voltage

F5

PPL

1197

Headlamp Washer Pump Control

F6

PPL

34

Front Fog Lamps Supply Voltage

PPL

34

Front Fog Lamps Supply Voltage

Fuse Block - Underhood C5


Object Number: 647935  Size: CH

Connector Part Information

    • 12193694
    • 2-Way F MAXI FUSE (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

RED

342

Battery Positive Voltage

B

PNK

3

Ignition 1 Voltage

Fuse Block - Underhood C6


Object Number: 647937  Size: CH

Connector Part Information

    • 12193696
    • 2-Way F MAXI FUSE (BRN)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

RED

542

Battery Positive Voltage

Fuse Block - Underhood C7


Object Number: 647933  Size: CH

Connector Part Information

    • 12193693
    • 2-Way F MAXI FUSE (BLK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

RED

642

Battery Positive Voltage

Fuse Block - Rear, Label


Object Number: 1201214  Size: LF

Fuse Block - Rear, Label Usage

Fuse

Rating

Description

RT DOORS Circuit Breaker

25A

Front Passenger Door Module (FPDM), Right Rear Window Switch

LT DOORS Circuit Breaker

25A

Driver Door Module (DDM), Left Rear Window Switch

LGM #2 Fuse

30A

Liftgate Module

TBC 3 Fuse

10A

Body Control Module (BCM)

RR FOG Fuse

10A

Rear Fog Lamp

LGM/DSM Fuse

10A

Memory Seat Module-Driver, Memory Seat Module-Front Passenger, and (export only with BAE) Cobra Intrusion Sensor and Inclination Sensor

TBC 2 Fuse

10A

Body Control Module (BCM)

SEATS Circuit Breaker

30A

Memory Seat Module-Driver, Memory Seat Module-Front Passenger

DDM Fuse

10A

Driver Door Module (DDM)

AMP Fuse 20A

--

Audio Amplifier

PDM Fuse

10A

Front Passenger Door Module (FPDM)

RR HVAC Fuse

30A

Blower Motor-Auxiliary, Blower Motor Control Processor-Auxiliary

LR PARK Fuse

10A

License Lamps and Left Tail Lamp

AUX PWR 2 Fuse

20A

Auxiliary Power Outlet-Rear

VEH CHMSL Fuse

10A

Center High-Mounted Stop Lamp (CHMSL)

RR PARK Fuse

10A

Right Tail Lamp Assembly

LOCK Relay

--

Rear Door Lock Actuators

VENT WDO Fuse

20A

RAP (Retained Accessory Power) Relay

LOCKS Fuse

10A

LOCK Relay and UNLOCK Relay

RAP Relay

--

Quarter-glass switches and actuators, Sunroof Module

UNLOCK Relay

--

Rear Door Lock Actuators

OH BATT/ONSTAR Fuse

10A

Garage Door Opener, Voice Recorder, Digital Video Disc (DVD) Player

SUNROOF

20A

Sunroof Module

RAIN Fuse

10A

Outside Moisture Sensor, Digital Video Disc (DVD) Player

PARK LP Relay

--

LR PARK, RR PARK, F PARK, and TR PARK Fuses

TBC ACC Fuse

3A

Body Control Module (BCM)

TBC 5 Fuse

10A

Body Control Module (BCM)

FRT WPR Fuse

25A

Windshield Wiper Motor

VEH STOP Fuse

15A

Tail Lamps, Powertrain Control Module (PCM), Throttle Actuator Control (TAC) Module

HVAC B Fuse

10A

HVAC Control Module, HVAC Control Module-Auxiliary

F PARK Fuse

10A

Turn Signal/Multifunction Switch, Marker Lamps, Front Park and Turn Signal Lamps

LT TURN Fuse

10A

Instrument Panel Cluster, Driver Door Module (DDM), Tail Lamp Assembly-Left, Marker Lamp-Left, Park/Turn Signal Lamp-LF

HVAC I Fuse

10A

HVAC Control Module, Turn Signal/Multifunction Switch, Air Temperature Actuator-Right, Defrost Actuator, Recirculation Actuator, Mode Actuator, Console Mode Actuator, Air Temperature Actuator-Left, Traction Control Switch, and (Olds only) Electronic Brake Control Module (EBCM)

TBC 4

10A

Body Control Module (BCM)

RADIO

15A

Radio

TR PARK

10A

Trailer Connector

RT TURN

10A

Instrument Panel Cluster, Front Passenger Door Module (FPDM), Tail Lamp Assembly-Right, Marker Lamp-Right, Park/Turn Signal Lamp-RF

HVAC

30A

HVAC Control Module

RR FOG LP Relay

--

RR FOG LP Fuse

AUX PWR 1 Fuse

20A

Auxiliary Power Outlet-Front, Auxiliary Power Outlet-Console

IGN 0 Fuse

10A

Automatic Transmission, A/T Shift Lock Actuator, Powertrain Control Module (PCM), and (export only with BAE) Theft Deterrent Control Module

4WD Fuse

15A

Transfer Case Shift Control Switch, Automatic Level Control (ALC) Compressor, Front Axle Actuator

TBC IG Fuse

3A

Body Control Module (BCM)

BRAKE Fuse

10A

Electronic Brake Control Module (EBCM)

TBC RUN Fuse

3A

Body Control Module (BCM)

Fuse Block - Rear, Top View


Object Number: 879287  Size: MF

Fuse Block - Rear, Bottom View


Object Number: 1215019  Size: MF

Fuse Block - Rear C1


Object Number: 647951  Size: CH

Connector Part Information

    • 15319896
    • 68-Way F Metri-Pack 280 Series Flexlock (BLK)

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

BRN/WHT

230

Instrument Panel Lamps Dimming Control

A3

--

--

Not Used

A4

LT GRN

24

Backup Lamp Supply Voltage

A5

--

--

Not Used

A6

BRN

4

Accessory Voltage

A7

YEL

143

Accessory Voltage

A8

BRN

341

Ignition 3 Voltage (K34)

BRN

341

Ignition 3 Voltage (K34)

A9

LT GRN/BLK

735

Outside Air Temperature Sensor Signal

A10

PPL/WHT

1382

LED Dimming Signal

A11

--

--

Not Used

A12

ORN

1732

Courtesy Lamps Supply Voltage

ORN

1732

Courtesy Lamps Supply Voltage

B1

LT BLU

1134

Park Brake Switch Signal

B2

BRN/WHT

230

Instrument Panel Lamps Dimming Control

B3

BRN

2309

Front Park Lamps Supply Voltage

B4

WHT

17

Stop Lamp Switch Signal

B5

LT BLU

1320

Stop Lamp Supply Voltage

LT BLU

1320

Stop Lamp Supply Voltage

B6-B7

--

--

Not Used

B8

BRN

341

Ignition 3 Voltage

BRN

341

Ignition 3 Voltage

B9

--

--

Not Used

B10

PPL/WHT

1382

LED Dimming Signal

PPL/WHT

1382

LED Dimming Signal

B11-B12

--

--

Not Used

C1

ORN

4340

Battery Positive Voltage

ORN

4340

Battery Positive Voltage

C2

--

--

Not Used

C3

BRN

2309

Front Park Lamps Supply Voltage

C4

LT BLU

2114

Left Turn Signal Lamps Supply Voltage

LT BLU

2114

Left Turn Signal Lamps Supply Voltage

C5

YEL

685

Left Turn Signal Flasher Signal

C8

BRN

341

Ignition 3 Voltage

BRN

341

Ignition 3 Voltage

C9-C12

--

--

Not Used

D1

ORN

340

Battery Positive Voltage

D2

--

--

Not Used

D3

BRN

2109

Trailer Park Lamps Supply Voltage

D4

DK BLU

2115

Right Turn Signal Lamps Supply Voltage

DK BLU

2115

Right Turn Signal Lamps Supply Voltage

D5

TAN

686

Right Turn Signal Flasher Signal

D8

BRN

141

Ignition 3 Voltage

D9

ORN

300

Ignition 3 Voltage

D10

BLK

481

Rain Sense Signal 1

D11

--

--

Not Used

D12

PNK

39

Ignition 1 Voltage

E1-E2

--

--

Not Used

E3

ORN

1040

Battery Positive Voltage

E4

--

--

Not Used

E5

BRN

341

Ignition 3 Voltage

E6

WHT

1390

Off/Run/Crank Voltage

E7

PNK

1020

Ignition 0 Voltage

E8

BRN

241

Ignition 3 Voltage

BRN

241

Ignition 3 Voltage

E9

--

--

Not Used

E10

BRN

718

Low Reference

E11

--

--

Not Used

E12

PNK

639

Ignition 1 Voltage

F1

--

--

Not Used

F2

YEL

1977

Rear Fog Lamp Relay Control

F3

ORN

1040

Battery Positive Voltage

F4

PNK

1020

Ignition 0 Voltage

F5

BRN

341

Ignition 3 Voltage

F6-F7

--

--

Not Used

F8

BRN

441

Ignition 3 Voltage

F9-F11

--

--

Not Used

F12

GRY/BLK

690

Courtesy Lamp Low Control

Fuse Block - Rear C2


Object Number: 647949  Size: CH

Connector Part Information

    • 15319894
    • 68-Way F Metri-Pack 280 Series Flexlock (NAT)

Pin

Wire Color

Circuit No.

Function

A1

ORN

3640

Battery Positive Voltage

A2

BRN/WHT

230

Instrument Panel Lamps Dimming Control

BRN/WHT

230

Instrument Panel Lamps Dimming Control

A3

ORN

1340

Battery Positive Voltage

A4-A5

--

--

Not Used

A6

ORN

2740

Battery Positive Voltage

ORN

2740

Battery Positive Voltage

A7

--

--

Not Used

A8

ORN

1240

Battery Positive Voltage

ORN

1240

Battery Positive Voltage

A9

DK GRN

1188

Power Window Switch Right Rear Down Signal

A10-A11

--

--

Not Used

A12

LT GRN /BLK

748

Right Rear Door Ajar Switch Signal

B1

RED

122

Rear Fog Lamp Supply Voltage

B2

LT BLU

1320

Stop Lamp Supply Voltage

B3

ORN

1340

Battery Positive Voltage

B4

DK BLU

2115

Right Turn Signal Lamps Supply Voltage

DK BLU

2115

Right Turn Signal Lamps Supply Voltage

B5

--

--

Not Used

B6

ORN

2740

Battery Positive Voltage

B7

--

--

Not Used

B8

ORN

1240

Battery Positive Voltage

B9-B12

--

--

Not Used

C1

ORN

3540

Battery Positive Voltage

C2

LT BLU

1320

Stop Lamp Supply Voltage

C3

LT BLU

2114

Left Turn Signal Lamps Supply Voltage

LT BLU

2114

Left Turn Signal Lamps Supply Voltage

C4

--

--

Not Used

C5

ORN

4440

Battery Positive Voltage

C6-C9

--

--

Not Used

C10

ORN

4140

Battery Positive Voltage

C11

--

--

Not Used

C12

LT BLU

2265

Power Window Lockout Left Rear Signal

D1

ORN

3540

Battery Positive Voltage

D2

BRN

2509

Left Rear Park Lamps Supply Voltage

D3-D4

--

--

Not Used

D5

ORN

3740

Battery Positive Voltage

D8

TAN

294

Door Lock Motor Unlock

TAN

294

Door Lock Motor Unlock

D9

--

--

Not Used

D10

ORN

4240

Battery Positive Voltage

D11

--

--

Not Used

D12

LT GRN

2266

Power Window Lockout Right Rear Signal

E1

ORN

840

Battery Positive Voltage

E2

BRN

2509

Left Rear Park Lamps Supply Voltage

E3

--

--

Not Used

E4

ORN

3140

Battery Positive Voltage

ORN

3140

Battery Positive Voltage

E5

LT GRN

24

Backup Lamp Supply Voltage

LT GRN

24

Backup Lamp Supply Voltage

E6

--

--

Not Used

E7

DK GRN

1488

Noise Reduction Microphone Supply Voltage

E8

LT GRN/BLK

1354

Drain Wire

E9

YEL

1187

Power Window Switch Left Rear Down Signal

E10

ORN

2040

Battery Positive Voltage

E11

--

--

Not Used

E12

GRY/BLK

1186

Power Window Switch Right Rear Up Signal

F1

YEL

820

CHMSL Supply Voltage

F2

BRN/WHT

2609

Right Rear Park Lamps Supply Voltage

F3-F5

--

--

Not Used

F6

GRY

295

Door Lock Motor Lock

GRY

295

Door Lock Motor Lock

F7

GRY

1690

Automatic Day/Night Mirror Signal

F8

BLK

1350

Ground

F9

PNK

1691

Automatic Day/Night Mirror Low Reference

F10

LT BLU/BLK

747

Left Rear Door Ajar Switch Signal

F11

--

--

Not Used

F12

WHT

1185

Power Window Switch Left Rear Up Signal

Fuse Block - Rear C3


Object Number: 647947  Size: CH

Connector Part Information

    • 15319893
    • 32-Way F Metri-Pack 280 Series Flexlock (MD GRY)

Pin

Wire Color

Circuit No.

Function

A1

GRY

1690

Automatic Day/Night Mirror Signal

A2

BLK

1350

Ground

A3

PNK

1691

Automatic Day/Night Mirror Low Reference

A4

ORN

1740

Battery Positive Voltage

A5-A6

--

--

Not Used

B1

DK GRN

1488

Noise Reduction Microphone Supply Voltage

B2

DK GRN

801

RAP Fuse Supply Voltage

B3

LT GRN/BLK

1354

Drain Wire

B4

DK BLU

1353

RAP Supply Voltage

B5

--

--

Not Used

B6

GRY/BLK

690

Courtesy Lamp Low Control

C1

--

--

Not Used

C2

DK GRN

801

RAP Supply Voltage

C3-D5

--

--

Not Used

D6

LT GRN

24

Backup Lamp Supply Voltage

E1

ORN

3140

Battery Positive Voltage

E2

PNK

639

Ignition 1 Voltage

E3

BRN/WHT

230

Instrument Panel Lamps Dimming Control

E4

ORN

1740

Battery Positive Voltage

E5

--

--

Not Used

E6

BRN

718

Low Reference

F1

YEL

443

Accessory Voltage

F2

--

--

Not Used

F3

LT GRN/BLK

735

Outside Air Temperature Sensor Signal

F4

BLK

481

Rain Sense Signal 1

F5

--

--

Not Used

F6

ORN

1732

Courtesy Lamps Supply Voltage

Fuse Block - Rear C4


Object Number: 697009  Size: CH

Connector Part Information

    • 15077187
    • 40-Way Flat Wire

Pin

Wire Color

Circuit No.

Function

A1

--

--

TBC 2 Fuse

A2

--

--

Not Used

A3

--

748

Right Rear Door Ajar Switch Signal

A4

--

1134

Park Brake Switch Signal

A5

--

--

Door Lock Relay Coil Ground

A6

--

--

Power Window Lockout Left Rear Signal

A7

--

--

Not Used

A8

--

747

Left Rear Door Ajar Switch Signal

A9

--

--

Not Used

A10

--

--

Not Used

A11

--

--

Ground

A12

--

1353

RAP Supply Voltage

A13

--

--

Door Unlock Relay Coil Ground

A14

--

--

Park Lamp Relay Coil Ground

A15-A17

--

--

Not Used

A18

--

--

TBC IG Fuse

A19

--

39

TBC IGN 1 Fuse

A20

--

--

TBC Run Fuse

B1

--

230

Instrument Panel Lamps Dimming Control

B2

--

230

Instrument Panel Lamps Dimming Control

B3

--

690

Courtesy Lamp Supply Voltage

B4

--

--

TBC 3 Fuse

B5

--

1186

Power Window Switch Right Rear Up Signal

B6

--

2266

Power Window Lockout Right Rear Signal

B7

--

1188

Power Window Switch Right Rear Down Signal

B8

--

1185

Power Window Switch Left Rear Up Signal

B9

--

1187

Power Window Switch Left Rear Down Signal

B10

--

--

Not Used

B11

--

--

Ground

B12

--

24

Backup Lamp Supply Voltage

B13

--

--

TBC 5 Fuse

B14

--

1382

LED Dimming Signal

B15

--

--

TBC ACC Fuse

B16

--

--

Not Used

B17

--

--

ITBC 4 Fuse

B18

--

1732

Inadvertent Power Courtesy Lamps Supply Voltage

B19

--

--

Rear Fog Lamp Relay Coil Ground

B20

--

--

Not Used