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

w/o A45


Object Number: 1680236  Size: FS
Master Electrical Component List
Power Seats System Description and Operation
Control Module References
Heated Seat KA1
Rear Fuse Block B+
G300
Figure 2:

Heated Seat - KA1


Object Number: 1680250  Size: FS
Master Electrical Component List
Rear Heated Seats Description and Operation
Control Module References
Passenger Heated and Cooled Seat KB6
Front Passenger Seat
Figure 3:

Heated and Cooled Seat - KB6


Object Number: 1680341  Size: FS
Master Electrical Component List
Heated/Cooled Seats Description and Operation
Control Module References
Heated Cooled Seat Switch KA1, KB6
Heated Seat KA1
Rear Fuse Block B+
Power, Ground, and Low Speed GMLAN
RUN Relay, HTD/COOL/IGN3, BCM LOGIC Fuses
G300
Figure 4:

Heated/Cooled Seat Switch - KA1/KB6


Object Number: 1680342  Size: FS
Master Electrical Component List
Heated/Cooled Seats Description and Operation
Control Module References
Passenger Heated and Cooled Seat KB6
Power, Ground, and Low Speed GMLAN