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

Steering Wheel Assembly


Object Number: 897900  Size: MF
(1)Horn Switch
(2)Steering Wheel Controls - Right (K34)
(3)Inflatable Restraint Steering Wheel Module
(4)Steering Wheel Controls - Left (K34)
Figure 2:

Left Front Side of the Vehicle


Object Number: 897835  Size: MF
(1)Windshield Washer Fluid Pump
(2)Horn
(3)Fog Lamp - LF