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

Lumbar Support Front Seats (AL2)


Object Number: 804179  Size: FS
Master Electrical Component List
Lumbar Support Description and Operation w/o Memory-A45
Lumbar Support Rear Seats
G302 1 of 3
G302 1 of 3
NAV Fuse and PWR Seat Circuit Breaker
G302 2 of 3
G302 2 of 3
Figure 2:

Rear Seats


Object Number: 804180  Size: FS
Master Electrical Component List
Lumbar Support Description and Operation w/o Memory-A45
Lumbar Support Left Adaptive Seat (AC9)
Lumbar Support Front Seats (AL2)
G302 1 of 3
G302 1 of 3
G302 1 of 3
Figure 3:

Driver Adaptive Seat (AC9)


Object Number: 804181  Size: FS
Master Electrical Component List
Lumbar Support Description and Operation with AC9
Lumbar Support Right Adaptive Seat (AC9)
Lumbar Support Rear Seats
G302 2 of 3
G302 2 of 3
MEM TT, RRLUM/ANT, and HTDST LF Fuses
Lumbar Support Right Adaptive Seat (AC9)
IGN 3 Fuses
MEM TT, RRLUM/ANT, and HTDST LF Fuses
MEM TT, RRLUM/ANT, and HTDST LF Fuses
Lumbar Support Right Adaptive Seat (AC9)
IGN 3 Fuses
Figure 4:

Passenger Adaptive Seat (AC9)


Object Number: 804182  Size: FS
Master Electrical Component List
Lumbar Support Description and Operation with AC9
Left Seat Lumbar Massage
Lumbar Support Left Adaptive Seat (AC9)
G302 1 of 3
Lumbar Support Left Adaptive Seat (AC9)
Lumbar Support Left Adaptive Seat (AC9)
Lumbar Support Left Adaptive Seat (AC9)
Figure 5:

Driver Seat (w/AM3)


Object Number: 804183  Size: FS
Master Electrical Component List
Lumbar Support Description and Operation Massaging Lumbar-AM3 with Memory-A45
Right Seat Lumbar Massage (AM3)
Lumbar Support Right Adaptive Seat (AC9)
G302 2 of 3
G302 2 of 3
NAV Fuse and PWR Seat Circuit Breaker
NAV Fuse and PWR Seat Circuit Breaker
Figure 6:

Passenger Seat (w/AM3)


Object Number: 804207  Size: FS
Master Electrical Component List
Lumbar Support Description and Operation with A45
Power, Ground, Motors Sensors, Switch and MSM (w/A45/AL2)
Power, Ground, Motors Sensors, Switch and MSM (w/A45/AL2)
G302 1 of 3
G302 1 of 3
NAV Fuse and PWR Seat Circuit Breaker
NAV Fuse and PWR Seat Circuit Breaker
Figure 7:

Driver Seat (w/A45/AL2)


Object Number: 804208  Size: FS
Master Electrical Component List
Lumbar Support Description and Operation with A45
Power, Ground, Massage Module, MSM Switch (w/A45/AM3)
Right Seat Lumbar Massage (AM3)
Front/Rear Vertical, Horizontal Motors, Position Sensors (w/A45/AL2)
Front/Rear Vertical, Horizontal Motors, Position Sensors (w/A45/AL2)
MEM TT, RRLUM/ANT, and HTDST LF Fuses
MEM TT, RRLUM/ANT, and HTDST LF Fuses
Figure 8:

Driver Seat Switch (w/A45/AM3)


Object Number: 804214  Size: FS
Master Electrical Component List
Lumbar Support Description and Operation Massaging Lumbar-AM3 with Memory-A45
Massage Module, Motors, Positions Sensors, MSM (w/A45/AM3)
Power, Ground, Motors Sensors, Switch and MSM (w/A45/AL2)
G302 2 of 3
G302 2 of 3
NAV Fuse and PWR Seat Circuit Breaker
NAV Fuse and PWR Seat Circuit Breaker
MEM TT, RRLUM/ANT, and HTDST LF Fuses
MEM TT, RRLUM/ANT, and HTDST LF Fuses
Figure 9:

Driver Seat Position Sensors (w/A45/AM3)


Object Number: 804215  Size: FS
Master Electrical Component List
Lumbar Support Description and Operation Massaging Lumbar-AM3 with Memory-A45
Power, Ground, Massage Module, MSM Switch (w/A45/AM3)
Front/Rear Vertical, Horizontal Motors, Position Sensors (w/A45/AL2)