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

Heated Seat Controls (KA1)


Object Number: 1875504  Size: FS
Master Electrical Component List
Heated Seats Description and Operation
Control Module References
Heated Seat Elements and Sensors (KA1)
Figure 2:

Heated Seat Elements and Sensors (KA1)


Object Number: 1875507  Size: FS
Master Electrical Component List
Heated Seats Description and Operation
Control Module References
Heated Seat Controls (KA1)