GM Service Manual Online
For 1990-2009 cars only
Table 1: Underhood Accessory Wiring Junction Block Maxifuse® Application Table
Table 2: Fuse Block Application Table

Underhood Accessory Wiring Junction Block


Object Number: 612638  Size: LF

Underhood Accessory Wiring Junction Block Label


Object Number: 612639  Size: MF

Underhood Accessory Wiring Junction Block Maxifuse® Application Table

Fuse

Rating

Description

1-COOL FAN 2

30A

Coolant Fans

3-HEADLAMPS

60A

Circuit Breakers:

    • FRT HVAC HI BLWR Fuse (IP)
    • HEADLAMP Fuse (IP):
       - HAZARD
       - PASS KEY
       - STOP LAMP

4-BATT MAIN 2

60A

Circuit Breaker:

    • RR DEFOG/HTD MIRRORS
    • RR FOG LP
    • RR DEFOG LP

5-IGN MAIN 1

40A

Ignition Switch to Fuses (IP):

    • PCM/ABS
    • PCM/CRANK
    • IGN 1
    • SIR
    • T/SIG
    • PCM/PASS KEY/CLUSTER

6-COOL FAN 1

30A

Coolant Fans

7-BATT MAIN 1

60A

Fuses (IP):

    • CLUSTER BATT
    • CIGAR/DLC
    • CTSY LAMP
    • RAP RELAY
    • FRT PWR SCKT
    • PWR LOCK
    • PWR MIRROR
    • RIGHT REAR PWR SCKT

8-IGN MAIN 2

60A

Ignition Switch to Fuses (IP):

    • BCM PRGRM
    • RR WPR/WSHR
    • FRT/WPR/WSHR
    • MALL/CLUSTER
    • RAP RELAY
    • HVAC/DIC
    • HVAC BLOWER
    • RR HVAC
    • TEMP CONT
    • PWR WDO Circuit Breaker

18-INJ

10A

Fuel Injectors 1-6

21-IGNI-UH

15A

    • Heated Oxygen Sensor #1
    • Mass Air Flow (MAF) Sensor
    • Air Injection BL Valve

25-ELEK IGN

15A

Ignition Control Module (ICM)

27-B/U LAMP

10A

Transaxle Range Switch to Backup Lamps

28-A/C CLU

10A

A/C CLU Relay to A/C Compressor Clutch Coil

29-RADIO

10A

    • Driver Information Display
    • Heater-A/C Control
    • Radio Rear Side Door Actuator Control Module
    • Remote Control Door Lock Receiver (RCDLR)

30-ALT SENSE

10A

Generator

31-TCC

10A

    • Automatic Transaxle (Torque Converter Clutch and Shift Solenoids)
    • Stop Lamp Switch to Powertrain Control Module (PCM)

32-FUEL PUMP

15A

Fuel Pump Relay

33-ECM SENSE

10A

Powertrain Control Module (PCM)

35-FOG LP

10A

Fog Lamp Relay

36-HORN

15A

Horn Relay

37-PARK LP

20A

Headlamp and IP Lamp Dimmer Switch

Instrument Panel Fuse Block


Object Number: 612640  Size: LF

Fuse Block Application Table

Fuse/Circuit Breaker

Rating

Description

BCM PRGRM

10A

Body Control Module (BCM)

CIGAR/DLC

15A

    • Cigar Lighter
    • Data Link Connector (DLC)

CLUSTER/BATT

10A

Instrument Cluster

CTSY LAMP

10A

Body Control Module (BCM)

FRT PWR SCKT

20A

Front Electric Accessory Plug Housing

FRT WPR/WSHR

25A

    • Windshield Wiper Motor
    • Windshield Wiper/Washer Switch

HAZARD

15A

Turn Signal Switch

HTD MIRROR

10A

LH, RH Outside Rearview Mirrors

HVAC/BLOWER

25A

Heater-A/C Control

HVAC/DIC

10A

    • Electric Slave Actuator
    • Heater A/C Control
    • Electric Air Inlet Actuator
    • Rear Window Defogger Relay
    • Driver Information Display (DID)

IGNI

10A

    • Body Control Module (BCM)
    • Instrument Cluster
    • Rear Side Door Actuator Control Module
    • Stop Lamp Switch

LH HEADLP HIGH

10A

LH Headlamp High Beam

LH HEADLP LOW

10A

LH Headlamp High Low

LH T/LP

10A

LH Taillamp

MALL/CLUSTER

10A

    • Body Control Module (BCM)
    • Instrument Cluster

PASS KEY

10A

Pass Key III Module

PCM/ABS

10A

    • Underhood Accessory Wiring Junction Block
    • Transaxle Range Switch
    • Powertrain Control Module (PCM)
    • Electronic Brake Control Module (EBCM)

PCM/CRANK

10A

Powertrain Control Module (PCM)

PCM/PASS KEY/CLUSTER

10A

    • Pass Key III Module
    • Instrument Cluster
    • Powertrain Control Module

PWR LOCK

20A

Body Control Module (BCM)

PWR MIRROR

10A

Outside Rearview Mirror Remote Control Switch

RAP RELAY

10A

Rap Relay

RH HEADLP HIGH

10A

RH Headlamp High Beam

RH HEADLP LOW

10A

RH Headlamp Low Beam

RR HVAC/TEMP CONT

25A

    • Auxiliary Blower Motor
    • Auxiliary Heater-A/C Control
    • Auxiliary Temperature Valve Actuator

RR DEFOG/HTD MIRRORS

30A

Rear Window Defogger Relay

RR FOG LP

10A

Rear Fog Lamp Relay

RR PWR SCKT

20A

Rear Electric Accessory Plug Housing

RH T/LP

10A

RH Taillamp

RR WPR/WSHR

20A

    • Rear Window Wiper Motor
    • Rear Window Wiper/Washer
    • Multifunction Switch (Rear Window Wiper/Washer Switch)

SIR

15A

Inflatable Restraint Sensing and Diagnostic Module (SDM)

STOP LAMP

15A

Stop Lamp Switch to Stop Lamps

T/SIG

10A

Turn Signal Switch and Backup Lamp Relay