GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Driver


Object Number: 2151407  Size: FS
Master Electrical Component List
Heated Seats Description and Operation
Control Module References
Passenger
Fuse Block - Rear F40, F39, F14, F16, F17, F18 and F12 Fuses
Fuse Block - Rear F40, F39, F14, F16, F17, F18 and F12 Fuses
Fuse Block - Rear F40, F39, F14, F16, F17, F18 and F12 Fuses
G305
Figure 2:

Passenger


Object Number: 2151409  Size: FS
Master Electrical Component List
Heated Seats Description and Operation
Control Module References
Driver
Fuse Block - Rear F40, F39, F14, F16, F17, F18 and F12 Fuses
Fuse Block - Rear F40, F39, F14, F16, F17, F18 and F12 Fuses
Fuse Block - Rear F40, F39, F14, F16, F17, F18 and F12 Fuses
G305