GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Liftgate


Object Number: 1887681  Size: FS
Master Electrical Component List
Rear Hatch/Gate Description and Operation
Control Module References
Rear Access Panel Schematics (Panel Van) 1 of 2
Figure 2:

Rear Access Panel Schematics (Panel Van) 1 of 2


Object Number: 1887683  Size: FS
Master Electrical Component List
Access Panel Description and Operation
Control Module References
Liftgate
Rear Access Panel Schematics (Panel Van) 2 of 2
Figure 3:

Rear Access Panel Schematics (Panel Van) 2 of 2


Object Number: 1887686  Size: FS
Master Electrical Component List
Access Panel Description and Operation
Control Module References
Rear Access Panel Schematics (Panel Van) 1 of 2