GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2003
🢒
Envoy - 4WD
🢒
Body and Accessories
🢒
Seats
🢒 Lumbar Support Schematics
Figure
1:
Driver Controls w/o Memory
Master Electrical Component List
Lumbar Support Description and Operation
Driver Controls w/Memory
B+ Bus - Rear Fuse Block
Driver w/o Memory
G302 - 1 of 2, G303 and G304
Figure
2:
Driver Controls w/Memory
Master Electrical Component List
Lumbar Support Description and Operation
Passenger Controls w/o Heat
Driver Controls w/o Memory
Figure
3:
Passenger Controls w/o Heat
Master Electrical Component List
Lumbar Support Description and Operation
Passenger Controls w/Heat
Driver Controls w/Memory
B+ Bus - Rear Fuse Block
Passenger w/o Heat
G302 - 1 of 2, G303 and G304
Figure
4:
Passenger Controls w/Heat
Master Electrical Component List
Lumbar Support Description and Operation
Passenger Controls w/o Heat