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

Heated Steering Wheel


Object Number: 1615542  Size: FS
Master Electrical Component List
Steering Wheel and Column Description and Operation
Control Module References
Redundant Steering Wheel Controls
Rear Fuse Block B+ Bus
Rear Fuse Block B+ Bus
G301
HVAC Control Module, Steering Wheel, Heated Seat KA6, Telltale Assembly Info Center
Steering Wheel and Column Schematic Icons
G300
Figure 2:

Redundant Steering Wheel Controls


Object Number: 1619286  Size: FS
Master Electrical Component List
Steering Wheel and Column Description and Operation
Control Module References
Heated Steering Wheel
DLC High Speed Serial Data
Cruise Control ON/OFF Switch