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

Rear Heated Seat Elements


Object Number: 1618937  Size: FS
Master Electrical Component List
Rear Heated Seats Description and Operation
Control Module References
Rear Heated Seat Controls
Fuse Block Left Rear Bussing
G402 (1 of 2)
Figure 2:

Rear Heated Seat Controls


Object Number: 1618935  Size: FS
Master Electrical Component List
Rear Heated Seats Description and Operation
Control Module References
Rear Seat Schematics