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

LF of the Engine Compartment


Object Number: 319571  Size: MF
(1)Horn Assembly
(2)Windshield Washer Fluid Pump
Figure 2:

Upper Steering Column


Object Number: 1195907  Size: LF
(1)Passlock Sensor
(2)Ignition Key Alarm Switch
(3)Ignition Lock Cylinder Control Actuator
(4)Ignition Switch
(5)Ignition Key Cylinder
(6)Horn Switch
(7)Inflatable Restraint Steering Wheel Module
(8)Turn Signal/Multifunction Switch
(9)Hazard Warning Switch