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

6-Way Power Seat (AG2)


Object Number: 1861553  Size: FS
Master Electrical Component List
Power Seats System Description and Operation
Control Module References
Lumbar Support
Fuse Block - Underhood BATT1 Fuse, Fuse Block - I/P, DRVR HTD SEAT, PASS HTD SEAT Fuses, PWR SEATS MSM and PRW/WNDWS TRUNK/FUEL RELSE Circuit Breakers
G302, G401, and G402
Figure 2:

Lumbar Support


Object Number: 1861557  Size: FS
Master Electrical Component List
Power Seats System Description and Operation
Control Module References
Passenger Heated Seat (KA1)
6-Way Power Seat (AG2)
Fuse Block - Underhood BATT1 Fuse, Fuse Block - I/P, DRVR HTD SEAT, PASS HTD SEAT Fuses, PWR SEATS MSM and PRW/WNDWS TRUNK/FUEL RELSE Circuit Breakers
Fuse Block - Underhood BATT1 Fuse, Fuse Block - I/P, DRVR HTD SEAT, PASS HTD SEAT Fuses, PWR SEATS MSM and PRW/WNDWS TRUNK/FUEL RELSE Circuit Breakers
G302, G401, and G402