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

Steering Wheel


Object Number: 298866  Size: SH
(1)Steering Wheel Radio Control Switch
(2)Horn Switch
Figure 2:

Steering Wheel Component View


Object Number: 399285  Size: LF
(1)Steering Wheel Radio Control Switch Connector
(2)Inflator Restraint Steering Wheel Module Connection
(3)Horn Spring Opening
(4)Inflator Restraint Steering Wheel Module Wiring Harness
(5)Steering Wheel Radio Controls Connector
(6)Horn Switch Spring Loaded Contact
Figure 3:

Front Of Vehicle


Object Number: 292196  Size: SH
(1)Cross-Car Beam
(2)Support Bracket and Bolt
(3)LH Horn
(4)Horn Connector
(5)Forward Lamp Wiring Harness
(6)Horn
(7)Support Bracket