GM Service Manual Online
For 1990-2009 cars only

Fuses

BODY Fuse

Location: IPJB

Type: 10A Minifuse

Feeds: Circuit 340

If one of the following systems is operating normally, the fuse is most likely good.

Circuits fed by the HVAC fuse:

    • Power door locks
    • Dome lamp
    • Cargo lamp switch
    • Remote mirror switch
    • Map lights

If the fuse is blown determine the cause of the blown fuse and repair.

Replace fuse as needed.

Grounds

Left Body Ground Splice Pack

Location: Left side under driver's seat.

The Left Body Ground Splice Pack provides a ground path for the left side body harness. If one of the following systems is operating normally, the ground circuit is most likely good.

    • Power door locks
    • Dome lamp
    • Door jamb switches
    • Sunroof

Check for OPENS/SHORTS

Repair as needed.

Circuits

Circuit 89

Function: This circuit provides power or ground to the up/down motor or the mirror, based on the desired direction of movement.

Check for OPENS/SHORTS

Repair as needed.

Circuit 82

Function: This circuit provides power or ground to either mirror motor, based on the desired direction of movement.

Check for OPENS/SHORTS

Repair as needed.

Circuit 81

Function: This circuit provides power or ground to left/right motor of the mirror, based on the desired direction of movement.

Check for OPENS/SHORTS

Repair as needed.