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

Driver


Object Number: 1798640  Size: FS
Master Electrical Component List
Heated Seats Description and Operation
Control Module References
Passenger
IGN Fuse and Ignition Switch Circuits
B+ Bus and EPS Fuse
TURN, BCM, RADIO (IGN), HVAC, and HTD SEATS Fuse
PWR SEAT Circuit Breaker, LH HDLP, RH HDLP, BRAKE, PREM AUD, BATT FEED, and HTD SEATS Fuses
G301 2 of 2
Figure 2:

Passenger


Object Number: 1798641  Size: FS
Master Electrical Component List
Heated Seats Description and Operation
Control Module References
Driver
IGN Fuse and Ignition Switch Circuits
B+ Bus and EPS Fuse
TURN, BCM, RADIO (IGN), HVAC, and HTD SEATS Fuse
PWR SEAT Circuit Breaker, LH HDLP, RH HDLP, BRAKE, PREM AUD, BATT FEED, and HTD SEATS Fuses
Passenger Presence System
G301 2 of 2