GM Service Manual Online
For 1990-2009 cars only

Object Number: 1241154  Size: B3

The engine compartment fuse block is located on the driver side of the engine compartment. See Engine Compartment Overview for more information on location.

To remove the cover, push in on the tab on the end of the cover and lift. To reinstall the cover, line up the tab and push down on the cover until the tab clicks into place.

Notice: Spilling liquid on any electrical components on the vehicle may damage it. Always keep the covers on any electrical component.


Object Number: 2010649  Size: C1

Object Number: 2038762  Size: B3

The trailer brake relay is located on the bottom side of the battery harness.

Fuses

Usage

O2 SNSR

Oxygen Sensors, Air Injection Reactor (AIR) Relay

A/C

Air Conditioning Control Head, Power Seats

A/C CMPRSR

Air Conditioning Compressor

ABS

Antilock Brake System (ABS), ABS Module, Four-Wheel Drive, Gravity Sensor

ABS 1

ABS 1 (ABS Logic)

ABS 2

ABS 2 (ABS Pump)

AIRBAG

Supplemental Inflatable Restraint System, Sensing and Diagnostic Module

AUX PWR 1

Accessory Power 1

AUX PWR 2

Accessory Power 2

BCK/UP

Back-up Lights

BLWR

Climate Control Fan

CIM

Communication Interface Module

CLSTR

Cluster

CNSTR VENT

Fuel Canister Vent Solenoid

CRUISE

Cruise Control Switch, Inside Rearview Mirror, Transfer Case Control Module, Brake Switch, Clutch Disable

DR/LCK

Power Door Locks (If Equipped)

DRL

Daylight Running Lamps

ERLS

Mass Air Flow (MAF) Sensor, Can Purge Solenoid, Air Injector Reactor (AIR) Relay

ETC

Electronic Throttle Control (ETC)

FOG/LAMP

Fog Lamps (If Equipped)

FRT PRK LAMP

Front Park/Turn Lamps, Driver and Passenger Side Power Window Switches Lighting

FRT/AXLE

Front Axle Actuator

FUEL/PUMP

Fuel Pump

HORN

Horn

HTD/SEAT

Heated Seat (If Equipped)

IGN

Ignition, Clutch Starter Switch, Neutral Safety Back-Up Switch, Ignition Coils 1-5, Air Conditioning Relay

IGN TRNSD

Ignition Transducers

INJ

Injectors

LT HDLP

Driver Side Headlamp

PCM B

Power Control Module (PCM) B

PCMI

Power Control Module (PCM)

PWR/SEAT

Power Seat Circuit Breaker (If Equipped)

PWR.WNDW

Power Windows (If Equipped)

RDO

Radio

REAR PRK LAMP

Rear Parking Lamp 1, Passenger Side Taillamp, License Plate Lamps

REAR PRK LAMP2

Driver Side Rear Taillamp, Passenger Side Airbag Indicator Lighting, Instrument Panel Dimming Power (2WD/4WD switch lighting)

RT HDLP

Passenger Side Headlamp

RVC

Regulated Voltage Control

S/ROOF

Sunroof (If Equipped)

STRTR

Starter Solenoid Relay

TBC

Truck Body Controller

TCCM

Transfer Case Control Module

TRAILER BRAKE

Trailer Brake

TRANS

Transmission Solenoid

TRN/HAZRD FRT

Turn/Hazard/Courtesy/Cargo Lamps/Mirrors

TRN/HAZRD REAR

Rear Turn/Hazard Lights

WPR

Wiper

WSW

Wiper/Washer Switch


Relays

Usage

A/C CMPRSR

Air Conditioning Compressor

BEAM SEL

Beam Selection

DRL

Daylight Running Lamps

FOG/LAMP

Fog Lamps (If Equipped)

FUEL/PUMP

Fuel Pump, Fuel Pump Fuse

HDLP

Headlamps

HORN

Horn

IGN 3 HVAC

Ignition 3, Climate Control, Climate Control Head Fuse, Power Seat Fuse

PRK/LAMP

Front Parking Lamp Fuse, Rear Parking Lamps

PWR/TRN

Powertrain, Electronic Throttle Control Fuse, Oxygen Sensor Fuse

RAP

Retained Accessory Power (Power Window Fuse, Wiper/Washer Switch Fuse), Sunroof Fuse

RUN/CRNK

Run/Crank, Airbag System Fuse, Cruise Control Fuse, Ignition Fuse, Back-Up Lamps, ABS Fuse, Front Axle, PCM-1, Injectors Fuse, Transmission Fuse, ERLS

STRTR

Starter Relay (PCM Relay)

WPR

Wipers (On/Off)

WPR 2

Wiper 2 (High/Low)


Miscellaneous

Usage

A/C CLTCH

Diode -- Air Conditioning, Clutch

MEGA FUSE

Mega Fuse

WPR

Diode -- Wiper