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

Front of the Engine Compartment


Object Number: 1361878  Size: LF
(1)Ambient Air Temperature (AAT) Sensor (DF8)
(2)Horn Assembly
(3)Forward Lamp Harness
Figure 2:

Steering Wheel Module


Object Number: 1442396  Size: MF
(1)Inflatable Restraint Steering Wheel Module Connectors
(2)Retainment Nut
(3)Horn Switch Connector
(4)Horn Contact