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

Heated Seat - Driver
Object Number: 1916846 Size: FS
Master Electrical Component List
Heated Seats Description and Operation
Control Module References
Heated Seat - Passenger
Figure 2:

Heated Seat - Passenger
Object Number: 1916849 Size: FS
Master Electrical Component List
Heated Seats Description and Operation
Control Module References
Heated Seat - Driver