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

Right Front Frame Rail, Near Fender


Object Number: 589597  Size: LF
(1)Horn Assembly
Figure 2:

Left Side of Instrument Panel


Object Number: 589506  Size: LF
(1)Turn Signal/Multifunction Switch
(2)Hazard Switch
(3)Windshield Wiper/Washer Lever
(4)Windshield Wiper/Washer Switch
(5)Inflatable Restraint Steering Wheel Module Coil
(6)Horn Switch -- Spring Loaded Contact
(7)Horn Switch Ground Connector
(8)Cruise Control Switches
(9)Radio Control Switches