GM Service Manual Online
For 1990-2009 cars only

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


Object Number: 1796539  Size: B3

To access the fuses, push in the two tabs located on each side of the fuse block cover. Then lift the cover off.


Object Number: 1809391  Size: C1

Relays

Usage

FAN 2 HC MICRO

Right Side Engine Cooling Fan Motors

FAN S/P HC MICRO

Series/Parallel Engine Cooling Fan

FRNT WASHER SS MICRO

Front Washer Pump

FAN 1 HC MICRO

Left Side Engine Cooling Fan Motors

FOG LAMP SS MICRO

Front Fog Lamps

SPARE

Spare

IGN MAIN SS MICRO

Ignition Switch (ON)

STRTR HC MICRO

Starter Solenoid

PWR/TRN HC MICRO

Powertrain/Engine Control Module

HI BEAM SS MICRO

High-Beam Headlamps

BLWR HC MICRO

Front Blower Motor Assembly

WPR HC MICRO

Windshield Wiper System - On/Off

WPR HI HC MICRO

Windshield Wiper System - Low/High

HEAD LAMP WASH HC MICRO

Headlamp Washer Pump (Option)

LO BEAM-LP MICRO/HID-HC MICRO

Low-Beam Headlamps

REAR WASH SS MICRO

Rear Washer Pump

HORN SS MICRO

Horn

A/C CMPRSR CLTCH SS MICRO

Air Conditioning Compressor Clutch

FUEL PUMP SS MICRO

Fuel Pump

ACCY SS MICRO

Accessory Power (Rear Wipers, Inside Rearview Mirror)

J Case Fuses

Usage

FAN 2

Right Cooling Fan Motor

SPARE

Spare

FAN 1

Left Cooling Fan Motor

SPARE

Spare

STRTR

Starter Solenoid

LPDB 2

LRPDB (Left Side Rear Power Distribution Box)

ABS MOTOR

Anti-lock Brake System Module

LPDB 1

LRPDB (Left Side Rear Power Distribution Box)

RPDB 1

RRPDB (Right Side Rear Power Distribution Box)

SPARE

Spare

BLWR

Front Blower Motor Assembly

RPDB 2

RRPDB (Right Side Rear Power Distribution Box)

Mini Fuses

Usage

FRNT WASHER

Front Washer Pump

SPARE

Spare

SPARE

Spare

AIRBAG

Sensing Diagnostic Module (SDM), Occupant Sensor Display, Instrument Cluster

ABS IGN

Anti-lock Braking System Ignition, Variable Effort Steering

IGN SW

Ignition Switch, Immobilizer Module

ECM/TCM IGN

Engine Control Module/Transmission Control Module Ignition Power, Mass Airflow Sensor (V6)

MISC IGN

Air Quality Sensor

EMISSION 1

Pre 02 Sensors, Cam Phasor (V6), Canister Purge (V6), Intake Manifold Tuning Valve (V6)

SPARE

Spare

DISPLAY

Instrument Panel Cluster, Climate Control Module, Front Blower Relay, Diagnostic Link Connector

BCM 2

LED Instrument Panel Dimming, Overhead Lamps, Vanity Lamps

EVEN COILS

Even Ignition Coils, Even Fuel Injectors

BCM 6

Right Side Rear Stoplamp, Turn Lamps, Key Capture Solenoid

RADIO

Radio

ODD COILS

Odd Ignition Coils, Odd Fuel Injectors

BCM 1

Body Control Module (BCM) Power

LT HI BEAM

Left Side High-Beam Headlamp

BCM 7/CLOCK

Switch Dimming, Analog Clock

SPARE

Spare

EMISSION 2

Cooling Fan Relays, Air Conditioning Clutch Relay, Post O2 Sensors, Mass Airflow Sensor (V8), Canister Purge (V8)

ECM BATT

Engine Control Module (ECM)

RT HI BEAM

Right Side High-Beam Headlamp

RVC SNSR

Battery Regulated Voltage Control Sense

FOG LAMP

Front Fog Lamps

ECM 1

Engine Control Module (ECM)

BCM 5

Left Side Front Turn Lamps, Rear Stoplamps, Turn Lamps

WPR

Windshield Wiper Motor

SPARE

Spare

BCM 4

Center High-Mounted Stoplamp (CHMSL), Back-up Lamps

CIG

Instrument Panel Accessory Power Outlet (Cigarette Lighter)

RT LO BEAM

Right Side Low-Beam Headlamp

AUX OUTLET

Center Console Accessory Power Outlet

LT LO BEAM

Left Side Low-Beam Headlamp

TCM BATT

Transmission Control Module (TCM)

ACCY WPR

Rear Wiper Motor & Switch, Inside Rearview Mirror

SPARE

Spare

SPARE

Spare

REAR WASH

Rear Washer Pump

HORN

Horn Assembly

A/C CLTCH

Air Conditioning Compressor Clutch

FUEL PUMP

Fuel Pump

Circuit Breaker

Usage

HEADLAMP WASH

Headlamp Washer Pump (Optional)