GM Service Manual Online
For 1990-2009 cars only

Fuses

PWR Seats Fuse

Location: Right instrument panel fuse block

Type: 20A mini fuse

Feeds: Circuit 640

If the power seat system is operating normally, the fuse is most likely good.

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

Replace the fuse as needed.

HTD SEATS Fuse

Location: Right instrument panel fuse block

Type: 20A mini fuse

Feeds: Circuit 141

There are 2 systems that utilize this fuse. If one of the following systems is operating normally, the fuse is most likely good.

    • Driver heated seat
    • Passenger heated seat

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

Replace the fuse as needed.

IGN 3 Fuse

Location: Left instrument panel fuse block

Type: 10A mini fuse

Feeds: Circuit 641

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

    • Driver or passenger heated seat switch LED
    • HVAC
    • Fog lamp switch LED
    • Traction switch LED
    • ABS module
    • Rear defog
    • Vehicle speed signal conditioner module

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

Replace the fuse as needed.

Grounds

RIGHT BODY GROUND Splice Pack

Location: Under the console, near the park brake

The systems grounded by the right body splice pack are grounded redundantly with the body ground. If one of the following systems is operating normally, the ground circuit is most likely good.

    • Driver's power seat
    • Driver or passenger heated seats
    • Dome lamp
    • CHMSL
    • Reading lamps
    • Sunroof - Sedan option only
    • Right heated mirror

Check for OPENS/SHORTS.

Repair as needed.