GM Service Manual Online
For 1990-2009 cars only

Object Number: 865653  Size: B3

The underhood fuse block in the engine compartment is located on the driver's side of the vehicle near the battery. Lift the cover for access to the fuse/relay block.

To remove fuses if you don't have a fuse extractor, hold the end of the fuse between your thumb and index finger and pull straight out.

See Engine Compartment Overview for more information on its location.


Object Number: 1708556  Size: C2

*1 -- Gasoline Engine and Fuel Injection Rail #2.

*2 -- Gasoline Engine and Fuel Injection Rail #1.

*3 -- Gasoline Engine; Oxygen Sensors.

*4 -- Gasoline Engine; Oxygen Sensors.

*5 -- Ignition 1

*6 -- Powertrain Control Module, Fuel Pump.

*7 -- Supplemental Brake Assist.

*8 -- Sunroof.

Fuses

Usage

GLOW PLUG

Not Used

CUST FEED

Gasoline Accessory Power

HYBRID

Not Used

WSW/HTR

Heated Windshield Washer (Special Edition Only)

STUD [num ]1

Accessory Power/Trailer Wiring

MBEC 1

Mid Bussed Electrical Center Power Feed, Front Seats, Right Doors

BLWR

Front Climate Control Fan

LBEC 2

Left Bussed Electrical Center, Door Modules, Door Locks, Auxiliary Power Outlet--Rear Cargo Area and Instrument Panel

STUD [num ]2*

Accessory Power/Trailer Wiring Brake Feed

ABS

Anti-lock Brakes

VSES/ECAS

Electronically Controlled Air Suspension

IGN A

Ignition Switch

IGN B

Ignition Switch

LBEC 1

Left Bussed Electrical Center, Left Doors, Truck Body Controller, Flasher Module

TRL PARK

Parking Lamps Trailer Wiring

RR PARK

Passenger's Side Rear Parking and Sidemarker Lamps

LR PARK

Driver's Side Rear Parking and Sidemarker Lamps

PARK LP

Parking Lamps Relay

STRTR

Starter Relay

INTPARK

Roof Marker Lamps

STOP LP

Stoplamps

TBC BATT

Truck Body Controller Battery Feed

SEO B2

Off-Road Lamps

4WS

Not Used

AUX PWR

Instrument Panel Outlets, Rear Cargo Area Power Outlets, Console

PCM 1

Powertrain Control Module

ETC/ECM

Electronic Throttle Control, Electronic Brake Controller

IGN E

Instrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Starter Relay, Electronic Brake Controller TC2 Mode Switch

RTD

Electronic Brake Controller Battery Feed

TRL B/U

Backup Lamps Trailer Wiring

F/PMP

Fuel Pump (Relay)

B/U LP

Back-up Lamps, Automatic Transmission Shift Lock Control System

RR DEFOG

Rear Window Defogger

HDLP-HI

Headlamp High Beam Relay

PRIME

Not Used

AIRBAG

Supplemental Inflatable Restraint System

FRT PARK

Front Parking Lamps, Sidemarker Lamps

DRL

Daytime Running Lamps (Relay)

SEO IGN

Rear Defog Relay

TBC IGN1

Truck Body Controller Ignition

HI HDLP-LT

Driver's Side High Beam Headlamp

LH HID

Not Used

DRL

Daytime Running Lamps

RVC

Regulated Voltage Control

IPC/DIC

Instrument Panel Cluster/Driver Information Center

HVAC/ECAS

Climate Control Controller/Electronically Controlled Air Suspension

CIG LTR

Cigarette Lighter

HI HDLP-RT

Passenger's Side High Beam Headlamp

HDLP-LOW

Headlamp Low Beam Relay

A/C COMP

Air Conditioning Compressor Relay

A/C COMP

Air Conditioning Compressor

TCMB

Transmission Control Module

RR WPR

Rear Wiper/Washer

RADIO

Audio System

SEO B1

Mid Bussed Electrical Center, Universal Home Remote System, Rear Heated Seats

LO HDLP-LT

Driver's Side Headlamp Low Beam

BTSI

Brake Transmission Shift Interlock System

CRNK

Starting System

LO HDLP-RT

Passenger's Side Headlamp Low Beam

FOG LP

Not Used

FOG LP

Not Used

HORN

Horn Relay

W/S WASH

Windshield and Rear Window Washer Pump Relay

W/S WASH

Windshield and Rear Window Washer Pump

INFO

OnStar®

RADIO AMP

Radio Amplifier

RH HID

Not Used

HORN

Horn

EAP

Not Used

TREC

Four-Wheel Drive Module

SBA

Not Used