GM Service Manual Online
For 1990-2009 cars only
Table 1: Fuse Block - Rear
Table 2: Fuse Block - Underhood
Table 3: Rear Compartment Relay Center (Export)
Table 4: Steering Column Fuse Holder

Fuse Block - Rear


Object Number: 543322  Size: MF

Fuse Block - Rear

Device

Rating

Description

1-F/PMP Fuse

20A

F/PMP Relay

2-HVAC BAT Fuse

10A

Instrument Panel Integration Module (IPIM)

3-MEM T&T Fuse

10A

Driver Adaptive Seat Lumbar Module, Driver Seat Lumbar Switch, Driver Seat Adjuster Switch, Memory Seat Module (MSM), Auxiliary HVAC Control Module, Front Passenger Adaptive Seat Lumbar Module, Steering Column Module

4-RR LUM/PWR ANT Fuse

20A

Left Rear Lumbar Switch, Antenna Module, Right Rear Lumbar Switch

5-DRV MDL Fuse

10A

Driver Door Module (DDM)

6-HTDST LR Fuse

10A

Left Rear Heated Seat Module

7-PWR T&T Fuse

30A

Steering Column Module (w/N37)

8-SIR Fuse

10A

Inflatable Restraint Sensing and Diagnostic Module (SDM)

9-S-DAR

5A

Digital Radio Receiver

10-LP PK R Fuse

15A

Right Front Park/Turn Signal Lamp, Right Front Side Marker Lamp, Right Middle Courtesy Lamp (w/V4U or B9Q), R POS LP Relay, Right Rear Door Courtesy Lamp (w/V4U or B9Q), Right Tail Lamp

11-VENT SOL Fuse

10A

Evaporative Emissions (EVAP) Canister Vent Valve

12-IGN 1 Fuse

10A

Stop Lamp Switch, Instrument Panel Cluster (IPC), Rear Integration Module (RIM), Rear Object Sensor Control Module, Turn Signal Switch, Inside Rear View Mirror (w/UE1), Left Steering Wheel Controls

13-DIMR Fuse

10A

Dash Integration Module (DIM), Left License Lamp, Right License Lamp, Turn Signal Switch

14-SUNSHADE Fuse

10A

Sunshade Module

15-NAV Fuse (w/U3R, U3S, U3Q)

10A

Radio

16-HTDST LF Fuse

10A

Driver Heated Seat Module

17-INT LP Fuse

10A

INT LP Relay

18-RRDR MDL Fuse

10A

Left Rear Door Module (LRDM) (w/o B9Q), Right Rear Door Module (w/o B9Q)

19-STOP LP Fuse

15A

Stop Lamp Switch

20-PRK/REV Fuse

10A

PARK Relay, REVERSE Relay

21-AUDIO Fuse

15A

Cellular Telephone Module, Vehicle Communication Interface Module (VCIM) (w/UE1), Radio, Remote Playback Device - CD Changer

22-RAP Fuse

30A

RAP Relay

23-LP PK L Fuse

15A

Left Front Park/Turn Signal Lamp, Left Front Side Marker Lamp, Left Middle Courtesy Lamp (w/V4U or B9Q), L POS LP Relay, Left Rear Door Courtesy Lamp (w/V4U or B9Q), Left Tail Lamp

24-NIGHTVISION Fuse

10A

Head Up Display (HUD), Head Up Display (HUD) Control, Night Vision Camera

25-PASSMDL Fuse

10A

Passenger Front Door Module

26-BODY Fuse

15A

F/TNK DR REL and TRK REL Relay

27-EXP LGT/LK Fuse

15A

L POS LP and R POS LP Relays (Export), Left Middle Door Module (LMDM) (w/V4U), Right Middle Door Module (RMDM) (w/V4U), Park Position Door Relay (w/V4U)

28-RR BLO Fuse

10A

Rear Blower Motor

29-IGN SW Fuse

15A

Dash Integration Module (DIM), Ignition Switch, Rear Integration Module (RIM), Remote Control Door Lock Receiver (RCDLR)

30-T SIG/HAZ Fuse

15A

Turn Hazard Flash Module

31-REV/LK Fuse

10A

LK/CYL and REV/LK OUT Relay

32-CVRTD Fuse

10A

Damper Relay, Electronic Suspension Control (ESC) Module

33-HVAC Fuse

10A

Inside Air Temperature Sensor, Instrument Panel Integration Module (IPIM)

34-IGN 3 RR Fuse

10A

Electronic Suspension Control (ESC) Module, Inside Rearview Mirror, Driver Adaptive Seat Lumbar Module, Driver Heated Seat Module, Left Rear Heated Seat Module, Auxiliary HVAC Control Module, Front Passenger Adaptive Seat Lumber Module, Front Passenger Heated Seat Module, Right Rear Heated Seat Module

35-ABS Fuse

10A

Electronic Brake Control Module (EBCM)

36-HTDST RF Fuse

10A

Passenger Front Heated Seat Module

37-HTDST RR Fuse

10A

Right Rear Heated Seat Module

38-DIM Fuse

10A

Dash Integration Module (DIM), Generator

39-F/PMP Relay

--

Fuel Pump Assembly

40-PRK LP Relay

--

DIMR Fuse, LP PK L Fuse, LP PK R Fuse

41-IGN 1 Relay

--

IGN 1 Fuse, SIR Fuse, VENT SOL Fuse

42-PARK BRK A Relay

--

Park Brake Release Solenoid

43

--

Not Used

44

--

Not Used

45-REVERSE Relay

--

Inside Rearview Mirror, Left Backup Lamp, Rear Object Sensor Control Module, Right Backup Lamp

46-RAP Relay

--

Sunroof Module, SUNSHADE Fuse

47-REV/LKOUT Relay

--

Reverse Lockout Actuator

48-DAMPER Relay

--

Electronic Suspension Control (ESC) Module

49-IGN 3 Relay

--

ABS Fuse, HVAC Fuse, IGN 3 RR Fuse, NIGHTVISION Fuse

50-F/TNKDR REL Relay

--

Fuel Door Release Actuator

51-INT LP Relay

--

I/P Compartment Lamp, Courtesy Lamps, Vanity Mirror Lamps, Overhead Console, Rear Compartment Lamp, Rear Integration Module (RIM)

52-TRK REL Relay

--

Rear Compartment Lid Release Actuator

53

--

Not Used

54-LK/CYL Relay

--

Shift Interlock Actuator

55-ELC Relay

--

Automatic Level Control Compressor

56-PWR SEAT Circuit Breaker

30A

Driver Seat Massage Module (w/A45), Driver Seat Lumbar Switch (w/o A45), Driver Seat Adjuster Switch, Memory Seat Module (MSM) (w/A45), Front Passenger Seat Massage Module, Front Passenger Seat Lumbar Switch, Front Passenger Seat Adjuster Switch

57-PWR WDO Circuit Breaker

30A

Door Lock Relay (w/B9Q), Driver Door Module (DDM), Left Rear Door Module (LRDM) (w/o B9Q), Passenger Door Module, Right Rear Door Module (RRDM), Left Door Park Relay Assembly, Right Middle Door Park Relay Assembly, Left Middle Door Module (LMDM), Right Middle Door Module (RMDM)

58-CIGAR Relay

--

Underhood Fuse Block

59-RR DEFOG Relay

--

Rear Defogger, Wavetrap (w/U3R, U3S, U3Q)

60

--

Not Used

61-RR DEFOG Fuse

40A

RR DEFOG Relay

62-HVAC BLO Fuse

40A

Blower Motor

63-AUDIO AMP Fuse

30A

Audio Amplifier

64-ELC Fuse

30A

Automatic Level Control Compressor, ELC Relay

65-CIGAR Fuse

40A

CIGAR Relay

70-75

--

Spare Fuse

Fuse Block - Underhood


Object Number: 1309848  Size: MF

Fuse Block - Underhood

Device

Rating

Description

1-ALDL Fuse

10A

Data Link Connector (DLC), Valet Switch

2-ACCY Fuse

15A

Outside Moisture Sensor, Windshield Wiper/Washer Switch

3-WSW Fuse

30A

Windshield Wiper Motor

4

--

Not Used

5-HDLOBML Fuse

10A

Left Low Beam Headlamp

6-HDLOBMR Fuse

10A

Daytime Running Lamp Resistor, Right Low Beam Headlamp

7-I/P Fuse

10A

Instrument Panel Cluster (IPC)

8-PCM BATT Fuse

10A

Powertrain Control Module (PCM), Theft Deterrent Module

9-HDHIBMR Fuse

10A

Right High Beam Headlamp

10-HDHIBML Fuse

10A

Left High Beam Headlamp

11-IGN 1 Fuse

10A

Evaporative Emissions (EVAP) Canister Purge Solenoid, Mass Air Flow (MAF) Sensor, Secondary Air Injection (AIR) Pump Relay, Secondary Air Injection (AIR) Solenoid

12-FOG Fuse

10A

FOG LP Relay

13-TRANS Fuse

10A

Automatic Transaxle

14-CR CONT Fuse

10A

Cruise Control Module (CCM)

15-COIL MDL Fuse

20A

Ignition Control (IC) Module - Front Bank, Ignition Control (IC) Module - Rear Bank

16-INJR 2 Fuse

10A

Fuel Injector 2, Fuel Injector 3, Fuel Injector 5, Fuel Injector 8

17-18

--

Not Used

19-PCM IGN Fuse

10A

Powertrain Control Module (PCM) and START 1 Relay

20-OXY SEN Fuse

10A

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1, Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2

21-INJR 1 Fuse

10A

Fuel Injector 1, Fuel Injector 4, Fuel Injector 6, Fuel Injector 7

22-C/LTR 2

20A

Front Cigar Lighter, Left Rear Auxiliary Power Outlet (Export), Left Middle Cigar Lighter (w/V4U), Right Middle Cigar Lighter (w/V4U), Right Rear Auxiliary Power Outlet (Export)

23-C/LTR 1

20A

Left Rear Cigar Lighter, Right Rear Cigar Lighter, Passenger Seat Auxiliary Outlet

24-DRL Fuse

15A

DRL Relay

25-HORN Fuse

15A

HORN Relay

26-AC CLU Fuse

15A

A/C Clutch Relay

27-HDLP HI BM Relay

--

HDHIBML Fuse, HDHIBMR Fuse

28-HDLP LO BM Relay

--

HDLOBML Fuse, HDLOBMR Fuse

29-FOG LP Relay

--

Left Front Fog Lamp, Right Front Fog Lamp

30-DRL Relay

--

DRL Resistor

31-HORN Relay

--

Horn A Note, Horn F Note

32-AC CLU Relay

--

A/C Compressor Clutch

33-AIR CTRL VLV Relay

--

Secondary Air Injection (AIR) Control Valve

34-HTD STRG/HVAC SOL Relay

--

Heated Steering Wheel Control Module

35-ACCY Relay

--

ACCY Fuse, WSW Fuse

36-START 1 Relay

--

Starter Solenoid

37-COOLFAN 1 Relay

--

Series circuit function--supplies voltage through the RH cooling fan motor to the LH cooling fan motor for low speed operation

Parallel circuit function--supplies voltage to the RH cooling fan motor for high speed operation

38-IGN 1 Relay

--

OXY SEN Fuse INJR1 Fuse 1 INJR 2 Fuse, CR CONT Fuse, IGN 1 Fuse, PCM IGN Fuse, TRANS Fuse, COIL MDL Fuse

39-COOLFAN S/P Relay

--

Series circuit function--connects the LH and RH cooling fan motor circuits together for low speed operation

Parallel circuit function--connects the RH cooling fan motor to ground for high speed operation

40-COOLFAN 2 Relay

--

Parallel circuit function--supplies voltage to the LH cooling fan motor for high speed operation

41-START Circuit Breaker

30A

START 1 Relay

42-43

--

Not Used

44-ABS Fuse

50A

Electronic Brake Control Module (EBCM)

45-AIR PUMP  Fuse

50A

Secondary Air Injection (AIR) Pump Relay

46-COOLFAN 1 Fuse

30A

COOL FAN 1 Relay 37

47-COOLFAN 2 Fuse

30A

COOL FAN 2 Relay 40, COOL FAN S/P Relay 39

54-HTD STRG Fuse

15A

HTD STRG/HVAC SOL Relay 34

Rear Compartment Relay Center (Export)


Object Number: 599557  Size: MF

Rear Compartment Relay Center (Export)

Position

Relay

Description

1

RR FOG LP Relay

Left Rear Fog Lamp, Right Rear Fog Lamp

2

R POS LP Relay

Right Front Position Lamp, Right Front Side Marker Lamp, Right Rear Tail Lamp

3

STANDING LP Relay

Left Position Lamp Relay, Right Position Lamp Relay

4

L POS LP Relay

Left Front Position Lamp, Left Front Side Marker Lamp, Left Rear Tail Lamp

Steering Column Fuse Holder


Object Number: 599553  Size: MF

Steering Column Fuse Holder

Fuse

Rating

Description

Dimming Fuse (1)

2A

Steering Wheel Controls Illumination

Radio Fuse (2)

2A

Steering Wheel Audio Controls

Cruise Fuse (3)

2A

Steering Wheel Cruise Controls

Horn Fuse (4)

2A

Horn Switch