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

    • Cigar Lighter
    • Remote Control Mirror Switch (4-Door)
    • Radio

DEF Fuse

15 A

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

DOME Fuse

10 A

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

D/L Fuse (4-Door)

20 A

    • Door Lock Relay
    • Door Unlock Relay
    • Remote Control Door Lock Receiver

HAZ Fuse

15 A

Hazard Switch

IG Fuse

20 A

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

P/W Fuse (4-Door)

30 A

    • Left Rear Window Switch
    • Master Window Switch
    • Right Front Window Switch
    • Right Rear Window Switch

STOP Fuse

15 A

    • Horn Relay
    • Stoplamp Switch

TAIL Fuse

15 A

Tail Relay

TURN Fuse

10 A

    • Back-up Lamp Switch
    • Hazard Switch
    • Transmission Range Switch

WIP Fuse

15 A

    • Front Wiper Motor
    • Rear Wiper Motor (4-Door)
    • Rear Wiper/Washer Switch (4-Door)
    • 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

    • Daytime Running Lamps (DRL) Diode
    • Instrument Cluster
    • LH Headlamp

H/L, R Fuse

15 A

    • DRL Diode
    • RH Headlamp

HTR Fuse

60 A

    • A/C Fuse
    • Blower Fuse

IG Fuse

60 A

Junction Block Fuses

Lamp Fuse

30 A

Ignition Switch