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

Behind the I/P


Object Number: 1657295  Size: LF
(1)Body Control Module (BCM)
(2)I/P Trim
(3)I/P Compartment Assembly
Figure 2:

I/P Components


Object Number: 1657309  Size: MF
(1)Instrument Panel Cluster (IPC)
(2)Hazard Switch
(3)Sunload Twilight Sensor
(4)Speaker - Front Center
(5)I/P Compartment Lamp
(6)Valet Switch
(7)Radio/Navigation Unit (U3Q)
(8)Auxilary Power Outlet (AV8-DT4), Cigar Lighter (AV8+DT4)
(9)Ashtray Lamp (AV8)
(10)HVAC Control Module
(11)Data Link Connector (DLC)
(12)Air Temperature Sensor - Inside
(13)Rear Compartment Lid Release Switch
(14)Driver Information Center (DIC) Switch
(15)Headlamp Switch