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

Power Seat - Passenger (AH8)


Object Number: 1471177  Size: FS
Master Electrical Component List
Power Seats System Description and Operation
Control Module References
Heated Seat - Passenger (KA1)
Left Rear Fuse Block B+ Bus
Left Rear Fuse Block SEAT Circuit Breaker, TRUNK Relay/Fuse, AMP, AUDIO, DRIVER DR MOD and REAR DR MOD Fuses
G307
Figure 2:

Heated Seat - Passenger (KA1)


Object Number: 1471178  Size: FS
Master Electrical Component List
Heated Seats Description and Operation
Control Module References
Power Lumbar - Passenger (AL2)
Power Seat - Passenger (AH8)
Right Rear Fuse Block B+ Bus
Left Rear Fuse Block B+ Bus
Left Rear Fuse Block, IGN3 Relay, L FRT HTD SEAT MOD, MEM/ADAPT SEAT, CCP, HDLP LEVELING and IGN3 Fuses
Left Rear Fuse Block, IGN3 Relay, L FRT HTD SEAT MOD, MEM/ADAPT SEAT, CCP, HDLP LEVELING and IGN3 Fuses
Class 2 Serial Data Bus - LHD - 2 of 2
G307
G402 - 2 of 2
Figure 3:

Power Lumbar - Passenger (AL2)


Object Number: 1471179  Size: FS
Master Electrical Component List
Lumbar Support Description and Operation w/o A45
Control Module References
Heated Seat - Passenger (KA1)
Left Rear Fuse Block B+ Bus
Left Rear Fuse Block SEAT Circuit Breaker, TRUNK Relay/Fuse, AMP, AUDIO, DRIVER DR MOD and REAR DR MOD Fuses
G307