GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
1999
🢒
GMC C Sierra - 2WD
🢒
Body and Accessories
🢒
Seats
🢒 Lumbar Support Schematics
Cell 142
Power Seat Systems Components
Power Lumbar Circuit Description
Cell 10: Mid Bussed Electrical Center, LH Power Seat Switch
Cell 14: Passenger Seat Bolster Switch, Passenger Power Seat Switch
Cell 14: Passenger Seat Bolster Switch, Passenger Power Seat Switch
Cell 14: Passenger Seat Bolster Switch, Passenger Power Seat Switch
Module Power and Memory Seat Controls
Audible Warnings Schematics
