GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2008 🢒 Envoy - 2WD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Passenger Seat Schematics
Figure 1:

Power Seat Controls
Object Number: 1924131 Size: FS
Master Electrical Component List
Power Seats System Description and Operation
Control Module References
Lumbar Controls
Figure 2:

Lumbar Controls
Object Number: 1924132 Size: FS
Master Electrical Component List
Lumbar Support Description and Operation
Control Module References
Power Seat Controls