GM Service Manual Online
For 1990-2009 cars only

The wiring circuits in your vehicle are protected from short circuits by a combination of fuses and circuit breakers. This greatly reduces the chance of fires caused by electrical problems.

Look at the silver-colored band inside the fuse. If the band is broken or melted, replace the fuse. Be sure you replace a bad fuse with a new one of the identical size and rating. If a fuse should blow, see your dealer for service immediately.

If you ever have a problem on the road and do not have a spare fuse, you can "borrow" one that has the same amperage. Pick some feature of your vehicle that you can get along without - like the radio or cigarette lighter - and use its fuse, if it is the correct amperage. Replace it as soon as you can.

Instrument Panel Fuse Block

The panel fuse block is located on the passenger's side of the vehicle, under the instrument panel and under the toe-board.

Remove the carpet and toe-board covering to access the fuse block by pulling at the top of each corner of the panel. Then turn the fuse block door knob counterclockwise and pull the door to access the fuses.


Object Number: 1185576  Size: B4

Fuses

Usage

1

Spare fuse

2

Spare fuse

3

Spare fuse

4

Spare fuse

5

Fuse Pull

6

Reverse Lamp

7

Starter/Crank

8

Parking Brake Solenoid A

9

Reverse Lamps

10

BTSI Solenoid, Column Lock

11

Not Used

12

Not Used

13

GMLAN Devices

14

Rear Park Aid, Heated/Cooled Seats, Windshield Wiper Relays

15

Door Locks

16

Engine Control Module

17

Interior Lights

18

Air Bags, Passenger Air Bag Off Switch

19

Not Used

20

OnStar®

21

Adaptive Cruise Control (ACC), Driver Door Switch

22

Power Tilt Wheel, Telescopic Steering Column, Memory Seat, Driver Seat Switch, Retractable Hardtop Switch

23

Ignition Switch, Intrusion Sensor

24

Stop Lamp

25

Inside Rearview Mirror, Climate Control System, Column Lock, Power Sounder

26

Instrument Panel Cluster, Head-Up Display (HUD)

27

Radio, S-Band, CD Changer

28

Tap-Up/Tap-Down Switch, Adaptive Cruise Control (ACC) Switch, Cruise Control Switch

29

Climate Control System, Power Sounder

30

Rear Fog Lamps, Diagnostic Link Connector

31

Power Folding Mirror

32

Trunk Close Button, Parking Brake Solenoid B

33

Power Seats

34

Door Controls

35

Run, Accessory Power

36

Not Used

37

Not Used

38

Rainsense

39

Steering Wheel Control Button Lights

40

Power Lumbar

41

Passenger's Side Heated Seat

42

Driver's Side Heated Seat

43

Not Used

44

Retractable Hardtop, Trunk Latch

45

Auxiliary Power

46

Cigar Lighter

47

Park Brake Hold

48

Park Brake Release

49

Not Used

50

Not Used

51

Not Used

52

Fuel Door

Underhood Fuse Block


Object Number: 944259  Size: A3

The underhood fuse block is located next to the engine on the passenger's side of the vehicle. For more information on location, see Engine Compartment Overview .

To access the fuses, push in the tab located at the end of the fuse block cover. Then lift the cover open.


Object Number: 1177258  Size: B3

Fuses

Usage

1

Anti-Lock Brake System, Magnetic Ride Control

2

Horn

3

Adaptive Cruise Control (ACC), Transmission Controls

4

Windshield Wipers

5

Stop/Back-Up Lamps

6

Oxygen Sensor

7

Battery 5

8

Parking Lamps

9

Electronic Throttle Control

10

Fuel Pump

11

Engine Control Module, Transmission Control Module

12

Odd Injectors

13

Magnetic Ride Control

14

Emission Controls

15

Air Conditioning Compressor

16

Even Injectors

17

Windshield Washer

18

Headlamp Washer

19

Right Low Beam Headlamp

20

Not Used

21

Left Low Beam Headlamp

22

Fog Lamp

23

Right High Beam Headlamp

24

Left High Beam Headlamp

25

Not Used

26

Battery 3

27

Anti-Lock Brakes

28

Climate Controls

29

Battery 2

30

Starter

31

Audio Amplifier

32

Cooling Fan

33

Battery 1

48

Spare

49

Spare

50

Spare

51

Spare

52

Spare

53

Not Used

54

Fuse Puller

Relays

Usage

34

Horn

35

Air Conditioning Compressor

36

Windshield Washer

37

Parking Lamps

38

Fog Lamps

39

High Beam Headlamps

40

Rear Window Defogger

41

Windshield Wiper High/Low

42

Wiper RUN/ACCESSORY Power

43

Starter/Crank

44

Ignition 1

45

Windshield Wiper On/Off

46

Headlamp Washer

47

Low Beam Headlamps