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.

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


Object Number: 1868838  Size: C1

Relays

Usage

A/C CMPRSR CLTCH

Air Conditioning Compressor Clutch

ACCY

Accessory Power (Rear Wipers, Inside Rearview Mirror)

FAN S/P

Series/Parallel Engine Cooling Fan

FAN 1

Engine Cooling Fan Motors

FAN 2

Engine Cooling Fan Motors

FOG LAMP

Front Fog Lamps

FRT WASH

Front Washer Pump

FUEL PUMP

Fuel Pump

HDLP WASH

Headlamp Washer Pump (Optional)

HI BEAM

High-Beam Headlamps

HORN

Horn

IGN

Ignition Switch (ON)

LO BEAM - W/O HID/HID

Low-Beam Headlamps

PWR/TRN

Powertrain/Engine Control Module (ECM)

REAR WASH

Rear Washer Pump

SPARE

Spare

SPARE

Spare

STRTR

Starter Solenoid

WPR

Windshield Wiper System - On/Off

WPR HI

Windshield Wiper System - Low/High


J Case Fuses

Usage

ABS MOTOR

Antilock Braking System (ABS) Module

BLWR

Front Blower Motor Assembly

FAN 1

Left Cooling Fan Motor

FAN 2

Right Cooling Fan Motor

LPDB 1

LRPDB (Left Side Rear Power Distribution Box)

LPDB 2

LRPDB (Left Side Rear Power Distribution Box)

RPDB 1

RRPDB (Right Side Rear Power Distribution Box)

RPDB 2

RRPDB (Right Side Rear Power Distribution Box)

SPARE

Spare

SPARE

Spare

SPARE

Spare

STRTR

Starter Solenoid


Mini Fuses

Usage

A/C CLTCH

Air Conditioning Compressor Clutch

ABS IGN

ABS Ignition, Variable Effort Steering

ACCY WPR

Rear Wiper Motor & Switch, Inside Rearview Mirror

AIRBAG

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

AUX OUTLET

Center Console Accessory Power Outlet

BCM 1

Body Control Module (BCM) Power

BCM 2

LED Instrument Panel Dimming, Overhead Lamps, Vanity Lamps

BCM 4

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

BCM 5

Left Side Front Turn Lamps, Rear Stoplamps, Turn Lamps

BCM 6

Right Side Rear Stoplamps, Turn Lamps, Key Capture Solenoid

BCM 7/CLOCK

Switch Dimming, Analog Clock

CIG

Instrument Panel Accessory Power Outlet (Cigarette Lighter)

DISPLY

Instrument Panel Cluster, Climate Control Module, Diagnostic Link Connector

ECM BATT

Engine Control Module (ECM)

ECM 1

ECM

ECM/TCM IGN

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

EMIS 1

Pre O2 Sensors, Cam Phasor (V6), canister Purge (V6), Intake Manifold Tuning Valve (V6)

EMIS 2

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

EVEN COILS

Even Ignition Coils, Even Fuel Injectors

FOG LAMP

Front Fog Lamps

FRT WASH

Front Washer Pump

FUEL PUMP

Fuel Pump

HORN

Horn Assembly

IGN SW

Ignition Switch, Immobilizer Module

LT HI BEAM

Left Side High-Beam Headlamp

LT LO BEAM

Left Side Low-Beam Headlamp

MISC IGN

Air Quality Sensor

ODD COILS

Odd Ignition Coils, Odd Fuel Injectors

RDO

Radio

REAR WASH

Rear Washer Pump

RT HI BEAM

Right Side High-Beam Headlamp

RT LO BEAM

Right Side Low-Beam Headlamp

RVC SNSR

Battery Regulated Voltage Control Sense

SPARE

Spare

SPARE

Spare

SPARE

Spare

SPARE

Spare

SPARE

Spare

SPARE

Spare

SPARE

Spare

TCM BATT

Transmission Control Module (TCM)

WPR

Windshield Wiper Motor


Circuit Breaker

Usage

HDLP WASH

Headlamp Washer Pump