GM Service Manual Online
For 1990-2009 cars only

Switch Continuity Check


Object Number: 888562  Size: MF

Window/Sunroof Fuse

Location: Underhood fuse block

Type: 30A Maxifuse

Feeds: Circuit 402

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

    • Power Windows
    • Power Sunroof

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

Replace the fuse as needed.

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.

    • Dome Lamp
    • Center High Mounted Stop Lamp (CHMSL)
    • Reading Lamps
    • Sunroof
    • Power Seat (Driver)
    • Heated Seats (Driver or Passenger)
    • Right Heated Mirror

Check for OPENS/SHORTS.

Repair as needed.