GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Fuse Block-Underhood Label


Object Number: 690119  Size: LF
Figure 2:

Fuse Block-Underhood Bottom View


Object Number: 690133  Size: LF

Fuse Block -- Underhood, Fuse Application Table

No.

Fuse/Circuit Breaker

Rating

Description

1

COOL FAN Fuse #2

25 A

COOL FAN 2 Relay and COOL FAN 3 Relay

2

CRANK Fuse

40 A

CRANK Relay

3

BAT Fuse #3

60 A

REAR DEFOG Circuit Breaker, POWER SEATS Circuit Breaker, RH HEATED SEAT and LH HEATED SEAT

4

BAT Fuse #2

60 A

HIGH BLOWER, HAZARD, STOP LAMPS, DOOR LOCKS and POWER MIRRORS

5

IGN Fuse #1

30 A

Ignition Switch and Retained Accessory Power (RAP) Relay

6

COOL FAN Fuse #1

25 A

COOL FAN 1 Relay

7

BAT Fuse #1

60 A

INADV POWER BUS, RAP, BCM, RADIO, HVAC, RFA, CLUSTER, DATA LINK, CIGAR LTR, AUX POWER and POWER DROP

8

IGN Fuse #2

50 A

Ignition Switch Fuse

21

GEN Fuse

10 A

Generator

22

ECM Fuse

10 A

Powertrain Control Module (PCM)

23

A/C CLU Fuse

10 A

A/C Clutch Relay

25

F/INJR Fuse

15 A

Fuel Injectors #2, #4, #6 and Ignition Coil Module (IC) Front

26

TRANS Fuse

10 A

Automatic Transaxle

27

HORN Fuse

15 A

HORN Relay

28

F/INJR Fuse

15 A

Fuel Injectors #1, #3, #5 and Ignition Coil Module (IC) Rear

29

OXY SEN Fuse

15 A

Heated Oxygen Sensor (HO2S) #1 and Heated Oxygen Sensor (HO2S) #2

30

ENG EMIS Fuse

10 A

Evaporative Emissions (EVAP) Canister Purge Solenoid Valve, Evaporative Emissions (EVAP) Canister Vent Solenoid Valve, Underhood Accessory Wiring Junction Block, Mass Air Flow (MAF) Sensor and Brake Transmission Shift Interlock (BTSI) Switch

31

FOG LP Fuse

10 A

Fog Lamp Relay

32

HDLP R Fuse

15 A

RH Headlamp

33

R/CMPT Fuse

7.5 A

Park/Neutral Position Switch and Deck Lid Release Relay

34

PARK LAMPS Fuse

20 A

Headlamp Switch, Headlamp Relay and Parklamp Relay

35

F/PMP Fuse

15 A

Fuel Pump Relay

36

HDLP L Fuse

15 A

LH Headlamp

37

ABS Fuse

10 A

Electronic Brake Control Module (EBCM) and Steering Angle Sensor

Fuse Block - Underhood Accessory Label


Object Number: 740446  Size: LF

Fuse Block -- Underhood Accessory, Fuse Application Table

No.

Fuse/Circuit Breaker

Rating

Description

1

AIR Pump Fuse

50 A

AIR Pump Relay

2

ABS Valve

20 A

ABS Valve Relay (EBCM Internal Circuit)

3

ABS Motor

40 A

ABS Motor Relay (EBCM Internal Circuit)

Figure 3:

Fuse Block-IP Label


Object Number: 690106  Size: LF
Figure 4:

Fuse Block-IP Bottom View


Object Number: 690131  Size: LF

Fuse Block -- I/P, Fuse Application Table

No.

Fuse/Circuit Breaker

Rating

Description

A1A2

ABS Fuse

20 A

Brake Modulator (RPO L36 Only)

A3A4

CRANK SIGNAL, BCM, CLUSTER Fuse

10 A

Powertrain Control Module (PCM), Body Control Module (BCM) and Instrument Panel Cluster (IPC)

A7A8

IGN 0, CLUSTER, PCM, BCM Fuse

10 A

Automatic Transaxle Control Position Indicator, Instrument Panel Cluster (IPC), Powertrain Control Module (PCM) and Body Control Module (BCM)

B1B2

LOW BLOWER Fuse

20 A

Heater-A/C Control (RPO C67 Only)

B3B4

HVAC Fuse

10 A

Vacuum/Electric Solenoid, Rear Window Defogger Relay, LH Electric Actuator, Heater-A/C Control, RH Electric Actuator (RPO CJ2 Only), LH Heated Seat, Inside Rearview Mirror (Day/Night) and RH Heated Seat

B5B6

CRUISE Fuse

10 A

Cruise Control Module

C3C4

BTSI Fuse

10 A

Brake Transmission Shift Interlock (BTSI)

D1D2

TURN SIGNALS CORN LPS Fuse

10 A

Hazard Warning Switch and Turn Signal Switch

D3D4

AIR BAG Fuse

15 A

Inflatable Restraint Sensing and Diagnostic Module (SDM)

D5D6

CLUSTER Fuse

10 A

Instrument Panel Cluster (IPC)

D9D10

PCM, BCM,U/H RELAY Fuse

10 A

Powertrain Control Module (PCM), Body Control Module (BCM), CANK Relay and IGN MAIN Relay

E1E2

RADIO, HVAC, RFA, CLUSTER, DATA LINK Fuse

15 A

Low Frequency Audio Amplifier RPO U85), Radio, Heater-A/C Control, Data Link Connector (DLC), Remote Control Door Lock Receiver (RCDLR) and Instrument Panel Cluster (IPC)

E3E4

BCM Fuse

10 A

Body Control Module (BCM)

E5E6

CIGAR LTR, AUX POWER Fuse

20 A

Cigar Lighter, Accessory Power and Power Drop Connector

E7E8

INADV POWER BUS/RAP Fuse

15 A

Retained Accessory Power (RAP) Relay and Body Control Module (BCM)

F1F2

HIGH BLOWER Fuse

30 A

Blower Motor Resistor and Blower Motor Control Module

F3F4

HAZARD Fuse

15 A

Hazard Warning Switch

F5F6

STOP LAMPS Fuse

15 A

Stop Lamp Switch

F7F8

DOOR LOCKS Fuse

20 A

Body Control Module (BCM)

F9F10

POWER MIRRORS Fuse

2 A

Outside Remote Control Rearview Mirror Switch

G1G2

RH HEATED SEAT Fuse

15 A

RH Heated Seat

G3G4

LH HEATED SEAT Fuse

15 A

LH Heated Seat

G7G8

ONSTAR Fuse

15 A

Vehicle Interface Unit (VIU)

H3H4

RED STRG WHL ILLUM

2 A

Inflatable Restraint Steering Wheel Module Coil, LH Steering Wheel Control Switch and RH Steering Wheel Control Switch

H5H6

FRT PARK LPS, FOG LAMPS Fuse

10 A

Fog Lamp Relay, Fog Lamp Switch, RH Fog Lamp and LH Fog Lamp

H7H8

TAIL LAMPS Fuse

15 A

LH Rear Side Marker Lamp, LH Tail/Stop Lamp, LH Rear License Plate Lamp, RH Rear License Plate Lamp, RH Tail/Stop Lamp and RH Rear Side Marker Lamp

H9H10

PANEL DIMMING Fuse

7.5 A

Instrument Panel Lamps Dimming Switch

J3J4

WIPER Fuse

25 A

Windshield Wiper Motor and Windshield Wiper/Washer Switch

J5J6

POWER DROP Fuse

10 A

Customer Installed Accessories

J7J8

RADIO, CRUISE Fuse

2 A

Cruise Control Switch and Radio

L1L2

PWR WINDOWS, PWR SUNROOF Circuit Breaker

30 A

LF Power Window Switch and Power Sunroof Module

M1M2

REAR DEFOG Circuit Breaker

30 A

Rear Window Defogger Relay

N1N2

POWER SEATS Circuit Breaker

30 A

Driver Seat Switches and Passenger Seat Switches