GM Service Manual Online
For 1990-2009 cars only
Table 1: Fuse Assignments
Table 2: Fuse Assignments

Junction Block


Object Number: 502191  Size: LF
(1)Tail Relay
(2)Junction Block Connector C5
(3)WIP Fuse
(4)CIG Fuse
(5)TURN Fuse
(6)IG Fuse
(7)Not Used
(8)HAZ Fuse
(9)DEF Fuse
(10)TAIL Fuse
(11)Not Used
(12)DOME Fuse
(13)STOP Fuse
(14)D/L Fuse
(15)P/W Fuse
(16)Spare Fuses
(17)Junction Block Connector C4
(18)Turn/Hazard Flasher
(19)Junction Block Connector C3
(20)Junction Block Connector C2
(21)Junction Block Connector C1

Fuse Assignments

Fuse/Circuit Breaker

Rating

Description

CIG Fuse

20 A

    â€¢ Cigar Lighter
    â€¢ Remote Control Mirror Switch (4-Door)
    â€¢ Radio

DEF Fuse

15 A

    â€¢ A/C Compressor Relay
    â€¢ A/C Condenser Fan Relay
    â€¢ Ambient Light Sensor
    â€¢ Blower Motor Relay
    â€¢ Electronic Brake Control Module (EBCM)
    â€¢ Rear Defogger Relay

DOME Fuse

10 A

    â€¢ Data Link Connector (DLC)-OBD 2
    â€¢ Daytime Running Lamps (DRL) Control Module
    â€¢ Ignition Key-In Switch
    â€¢ Instrument Cluster
    â€¢ Powertrain Control Module (PCM)
    â€¢ Radio

D/L Fuse (4-Door)

20 A

    â€¢ Door Lock Relay
    â€¢ Door Unlock Relay
    â€¢ Remote Control Door Lock Receiver

HAZ Fuse

15 A

Hazard Switch

IG Fuse

20 A

    â€¢ A/C Compressor Control Module
    â€¢ A/C Switch
    â€¢ Accelerometer
    â€¢ Daytime Running Lamps (DRL) Control Module
    â€¢ Fuel Pump Relay
    â€¢ Generator
    â€¢ Heated Oxygen Sensor 1 (HO2S1)
    â€¢ Heated Oxygen Sensor 2 (HO2S2)
    â€¢ Ignition Coils
    â€¢ Instrument Cluster
    â€¢ Main Cruise Control Switch
    â€¢ Noise Suppressor Filter
    â€¢ Powertrain Control Module (PCM)
    â€¢ Remote Control Door Lock Receiver (4-Door)

P/W Fuse (4-Door)

30 A

    â€¢ Left Rear Window Switch
    â€¢ Master Window Switch
    â€¢ Right Front Window Switch
    â€¢ Right Rear Window Switch

STOP Fuse

15 A

    â€¢ Horn Relay
    â€¢ Stoplamp Switch

TAIL Fuse

15 A

Tail Relay

TURN Fuse

10 A

    â€¢ Back-up Lamp Switch
    â€¢ Hazard Switch
    â€¢ Transmission Range Switch

WIP Fuse

15 A

    â€¢ Front Wiper Motor
    â€¢ Rear Wiper Motor (4-Door)
    â€¢ Rear Wiper/Washer Switch (4-Door)
    â€¢ Wiper/Washer Switch

Fuse Block


Object Number: 502194  Size: MF
(1)From Battery Positive Terminal (B+)
(2)Fused B+ To Generator
(3)Fuse Block Connector C1
(4)Fuse Block Connector C2
(5)Fuse Block Connector C5
(6)Fuse Block Connector C4
(7)Fuse Block Connector C3

Fuse Assignments

Fuse/Circuit Breaker

Rating

Description

ACC Fuse

15 A

Auxiliary Power Outlet

ABS Fuse

50 A

Electronic Brake Control Module

BATT Fuse

80 A

From Battery Positive (+) to Generator

FI Fuse

15 A

Main Relay

H/L, L Fuse

15 A

    â€¢ Daytime Running Lamps (DRL) Diode
    â€¢ Instrument Cluster
    â€¢ LH Headlamp

H/L, R Fuse

15 A

    â€¢ DRL Diode
    â€¢ RH Headlamp

HTR Fuse

60 A

    â€¢ A/C Fuse
    â€¢ Blower Fuse

IG Fuse

60 A

Junction Block Fuses

Lamp Fuse

30 A

Ignition Switch