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

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
Figure 2:

Door - Driver


Object Number: 903357  Size: MF
(1)Driver Door
(2)Driver Door Module (DDM)
(3)Outside Rearview Mirror - Driver
(4)Window Motor - Driver
(5)Memory/Heated Seat Switch Connector
(6)Door Courtesy Lamp - Left Front
(7)Driver Door Panel
(8)Memory/Heated Seat Switch
(9)Door Latch Assembly - Driver