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

Seat Lumbar Switch - Driver and Front Passenger


Object Number: 792059  Size: FS
Master Electrical Component List
Lumbar Support Description and Operation w/o Memory-A45
Seat Lumbar Switch - Driver and Memory Seat Module
G201 3 of 5 (LH Drive)
G201 3 of 5 (LH Drive)
G201 3 of 5 (LH Drive)
Battery Feed to Fuse Block - Rear
PWR SEAT Circuit Breaker and CVRTD Fuses
Figure 2:

Seat Lumbar Switch - Driver and Memory Seat Module


Object Number: 792063  Size: FS
Master Electrical Component List
Lumbar Support Description and Operation with A45
Seat Lumbar Switch - Driver and Front Passenger
Vertical and Horizontal Motors and Position Sensors
Vertical and Horizontal Motors and Position Sensors
MEM T&T, PWR T&T, and TSIG/HAZ Fuses
MEM T&T, PWR T&T, and TSIG/HAZ Fuses
Battery Feed to Fuse Block - Rear