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

Steering Wheel Components (3-Spoke)


Object Number: 1692464  Size: LF
(1)Steering Wheel Controls - Left
(2)Steering Wheel Controls - Right
(3)Horn Switch
Figure 2:

Steering Wheel Components (4-Spoke)


Object Number: 1730418  Size: LF
(1)Steering Wheel
(2)Steering Wheel Controls - Right
(3)Steering Wheel Controls - Left
(4)Horn Switch
Figure 3:

Rear of Steering Wheel


Object Number: 1551605  Size: MF
(1)Inflatable Restraint Steering Wheel Module Coil C3
(2)Rear Shroud