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

Steering Wheel (Pontiac)


Object Number: 581408  Size: MF
(1)Steering Wheel Controls
(2)Steering Wheel Controls Connector
(3)Inflatable Restraint Steering Wheel Module
(4)Steering Wheel Controls Connector
Figure 2:

Base of Steering Column


Object Number: 374168  Size: LF
(1)Steering Column
(2)Ignition Switch
(3)Headlamp Dimmer Switch
(4)Isolation Diode (Wipers)
(5)Forward Lamp Harness