GM Service Manual Online
For 1990-2009 cars only

Object Number: 1333875  Size: B3

The underhood fuse block is located in the forward part of the engine compartment near the battery.

Fuses

Usage

ECM/TCM

Battery Voltage to ECM, TCM, PCM (3.5L V6 (L66))

BATT FEED

Instrument Panel Fuse Box

HORN

Horn

* *

Emissions

ABS PWR

Anti-lock Brake System Battery

REAR DEFOG

Rear Defogger

COOL HI (L4)/COOL 1 (V6)

Cooling Fans High (L4)/Cooling Fan 1 (V6)

FOG LP

Fog Lamps

LH HDLP

Driver's Side Headlamp

RR WIPER

Rear Wiper

ABS

Anti-lock Brake System Module

PWR WDW

Power Window Relay and Sunroof

CIGAR/AUX2

Cigarette Lighter

HVAC BLOWER

HVAC Blower Motor

RH HDLP

Right Headlamp

FRT WIPER

Front Wiper

ETC

Engine Control Module (ECM), Electronic Throttle Control (V6)

SUNROOF

Sunroof Module

BRAKE

Stoplamps

IGN

Ignition switch

IGN/INJ (L4), ECM/CAM (V6)

Engine Ignition Module, Fuel Injectors (2.2L L4 (L61))

Camshaft Sensor, Main Relay Voltage To PCM, Ignition Coils 1-6

INJECTORS (3.5L V6 (L66))

Fuel Injection

PWR TRAIN

Engine Control Module (ECM), Transaxle Control Module (TCM), Transaxle, L66 Powertrain Control Module (PCM)

BACKUP

Low Coolant Switch, Backup Lamps (2.2L L4 (L61)), Vehicle Speed Sensor (Manual), Transaxle Range Switch (2.2L L4 (L61))

HTD SEATS

Heated Seats

COOL LO (L4)/COOL 2 (V6)

Cooling Fan Low (L4), Cooling Fan (V6)

A/C CLUTCH

Air Conditioning Clutch, Back Up Lamps (3.5L V6 (L66))

FUEL PUMP

Fuel Pump

AUX 1 OUTLET

Front Auxiliary Power Outlet

PREM AUD

Premium Radio Amplifier

ABS

Anti-lock Brake System Ignition

PWR SEAT

Power Seats

Relays

Usage

FOG LP

Fog Lamps

COOL FAN HI (L4)

Cooling Fan Motor High

ENG MAIN

Engine Control Module/CAM, Emissions, Injectors, Electronic Throttle Control

REAR DEFOG

Rear Defog System

HORN

Horn

DRL

Daytime Running Lamps

COOL FAN 1 (V6)

Cooling Fan

WIPER SYSTEM

Wiper System

PRW WDO

Power Window Switch, Sunroof Module

FRT WIPER

Front Wiper System

COOL FAN LOW (L4)

Cooling Fan Motor Low

A/C CLUTCH

Air Conditioning Clutch

BACKUP LAMPS (V6)

Back-up Lamps (V6)

FUEL PUMP

Fuel Pump System

RR WIPER

Rear Wiper System

COOL FAN 2 (V6)

Cooling Fan (V6)

Misc.

Usage

FUSE PULLER

Fuse Puller

Diode

Air Conditioning Diode

Main Underhood Fuse Block

The main underhood fuse block is located under the engine cover on the driver's side of the engine compartment. To access the fuse block, remove the engine cover by pulling up on the cover and lifting it off the engine. The main underhood fuse block is the larger of the two fuse blocks in the engine compartment. Remove the fuse block cover for access to the fuses and relays. See Engine Compartment Overview for more information on its location. To remove fuses, hold the end of the fuse between your thumb and index finger and pull straight out.


Object Number: 1759655  Size: C1

Fuses

Usage

ECM/TCM

Battery Voltage to Engine Control Module/Transaxle Control Module

BATT FEED

Instrument Panel Fuse Box

HORN

Horn

ABS PWR

Anti-lock Brake System Battery

EMISS

Emissions

REAR DEFOG

Rear Defogger

COOL HI

Cooling Fan High

LH HDLP

Driver's Side Headlamp

RR WIPER

Rear Wiper

ABS

Anti-lock Brake System Module

IGN/INJ

Engine Ignition Module, Fuel Injectors

PWR WDW

Power Window Relay and Sunroof

CIGAR LITER

Cigarette Lighter

HVAC BLOWER

Climate Control System Blower Motor

RH HDLP

Passenger's Side Headlamp

FRT WIPER

Front Wiper

ETC

Electronic Throttle Control

SUNROOF

Sunroof Module

BRAKE

Stoplamps

PWR TRAIN

Engine Control Module, Transaxle Control Module, Powertrain Control Module

BACKUP

Low Coolant Switch, Back-up Lamps, Vehicle Speed Sensor (Manual), Transaxle Range Switch

HTD SEATS

Heated Seats

IGN

Ignition Switch

COOL LO

Cooling Fan Low

A/C CLUTCH

Air Conditioning Clutch

FUEL PUMP

Fuel Pump

AUX OUTLETS

Auxiliary Power Outlets

ESCM/CANV

Electric Storage Control Module

ABS

Anti-lock Brake System Ignition

PWR SEAT

Power Seats

Relays

Usage

DRL

Daytime Running Lamps Relay

HORN

Horn Relay

COOL FAN HI

Cooling Fan High Relay

ENG MAIN

Engine Control Module/CAM, Emissions, Injectors, Electronic Throttle Control Relay

REAR DEFOG

Rear Defog System Relay

WIPER SYSTEM

Wiper System Relay

PWR WDW

Power Window Switch, Sunroof Module Relay

FRT WIPER

Front Wiper System Relay

COOL FAN LOW

Cooling Fan Low Relay

A/C CLUTCH

Air Conditioning Clutch Relay

FUEL PUMP

Fuel Pump System Relay

RR WIPER

Rear Wiper System Relay

Misc.

Usage

FUSE PULLER

Fuse Puller

A/C DIODE

Air Conditioning Diode

Hybrid Underhood Fuse Block

The hybrid underhood fuse block is located under the engine cover on the driver's side of the engine compartment. To access the fuse block, remove the engine cover by pulling up on the cover and lifting it off the engine. The hybrid underhood fuse block is the smaller of the two fuse blocks in the engine compartment, and is located near the front of the vehicle.


Object Number: 1801582  Size: B3

Fuses

Usage

PUMPS

Coolant Pumps (2)

HILL HOLD

Hill Hold Valves

TRANS PUMP

Transaxle Pump

STRTR

Starter Motor

Relays

Usage

HILL HOLD

Hill Hold Valves

TRANS PUMP

Transaxle Pump

STRTR

Starter Motor