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

Power Lumbar


Object Number: 661169  Size: FS
Master Electrical Component List
Lumbar Support Description and Operation w/o A45
Memory Power Lumbar
Underhood Fuse Block- BAT 2 Fuse/ Rear Fuse Block- PWR SEAT and MEM/RFA FUSEs
Underhood Fuse Block- BAT 2 Fuse/ Rear Fuse Block- PWR SEAT and MEM/RFA FUSEs
G201 (1 of 2)
G201 (1 of 2)
Figure 2:

Memory Power Lumbar


Object Number: 661170  Size: FS
Master Electrical Component List
Lumbar Support Description and Operation w/o A45
Power Lumbar
Underhood Fuse Block- BAT 2 Fuse/ Rear Fuse Block- PWR SEAT and MEM/RFA FUSEs
Underhood Fuse Block- BAT 2 Fuse/ Rear Fuse Block- PWR SEAT and MEM/RFA FUSEs
LH Seat Motors
LH Seat Motors
G201 (1 of 2)