GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2008 🢒 Grand Prix 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Heated/Cooled Seat Schematics
Figure 1:

Heat Controls - Driver
Object Number: 1888877 Size: FS
Master Electrical Component List
Heated Seats Description and Operation
Control Module References
Heat Control Passenger
Figure 2:

Heat Controls - Passenger
Object Number: 1888881 Size: FS
Master Electrical Component List
Heated Seats Description and Operation
Control Module References
Heat Controls Driver