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

Power Driver Seat


Object Number: 1638465  Size: FS
Master Electrical Component List
Power Seats System Description and Operation
Control Module References
Heated Driver Seat
Underhood Fuse Block, RBEC 2, RUN RLY, Body Control Module (BCM) HVAC BLOWER HIGH Relay, RUN Relay, HVAC BLOWER, HVAC CTRL (IGN), Rear Fuse Block, FUEL/PMP Relay, PARK LP Relay, TRUNK Relay, DRV ST
G303
Figure 2:

Heated Driver Seat


Object Number: 1638467  Size: FS
Master Electrical Component List
Heated Seats Description and Operation
Control Module References
Power Driver Seat
Underhood Fuse Block - RBEC 1 Fuse, Rear Fuse Block, AUX PWR #2, BCK/UP LAMPS, CIG/AUX, HTD MIR, HTD SEAT, RKE/XM/DVD/UGD, RR DEFOG and S/ROOF Fuses
Underhood Fuse Block, ICBM 2, Body Control Module (BCM), ACCESSORY Relay, DOOR LOCK, INTERIOR LIGHTS, POWER WINDOWS, REAR WIPER, ROOF/HEAT SEAT and WIPER SW Fuses
Underhood Fuse Block - RBEC 1 Fuse, Rear Fuse Block, AUX PWR #2, BCK/UP LAMPS, CIG/AUX, HTD MIR, HTD SEAT, RKE/XM/DVD/UGD, RR DEFOG and S/ROOF Fuses
Underhood Fuse Block, ICBM 2, Body Control Module (BCM), ACCESSORY Relay, DOOR LOCK, INTERIOR LIGHTS, POWER WINDOWS, REAR WIPER, ROOF/HEAT SEAT and WIPER SW Fuses
G303
G303