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

Power Seat


Object Number: 1586592  Size: FS
Master Electrical Component List
Power Seats System Description and Operation
Control Module References
Heated Seat
B+ Bussing and the EPS Fuse
G301 - 2 of 2
Figure 2:

Heated Seat


Object Number: 1798640  Size: FS
Master Electrical Component List
Heated Seats Description and Operation
Control Module References
Power Seat
IGN Fuse and the Ignition Switch Circuits
B+ Bussing and the EPS Fuse
TURN Fuse, BCM Fuse, RADIO(IGN) Fuse, HVAC Fuse and the HTD SEATS Fuse
Interior Lights Dimming Schematic
G301 - 2 of 2
PWR SEAT Circuit Breaker, LH HDLP Fuse, RH HDLP Fuse, BRAKE Fuse, PREM AUD Fuse, BATT FEED Fuse and the HTD SEATS Fuse