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

Passenger Compartment, Behind the Right Side of the IP


Object Number: 387523  Size: LF
(1)Theft Deterrent Module
Figure 2:

Top of the Steering Column


Object Number: 342654  Size: MF
(1)Turn Hazard Switch (Hidden)
(2)Multifuntion Lever
(3)Windshield Wiper Switch
(4)Ignition Switch (Hidden)
(5)Ignition Lock Cylinder