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

Top of I/P


Object Number: 1549713  Size: LF
(1)Speaker - Center (U87)
(2)Ambient Light Sensor (C67), Sunload Sensor Assembly (CJ2)
(3)Theft LED
Figure 2:

Left Side of the I/P


Object Number: 555458  Size: MF
(1)Ignition Cylinder Housing
(2)Ignition Lock Cylinder
(3)Theft Deterrent Exciter Module