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

Upper Center of the Windshield


Object Number: 1258724  Size: LF
(1)Vanity Mirror Lamp - Left
(2)Inside Rearview Mirror
(3)Cellular Microphone
(4)Vanity Mirror Lamp - Right
(5)Folding Top Closed Switch
Figure 2:

Modules


Object Number: 1827080  Size: LF
(1)Folding Top Module
(2)Digital Radio Receiver
(2)Adaptive Crusie Control Module
(4)Memory Seat Module
(5)Driver Door Module (DDM)
(6)Radio
(7)Instrument Panel Cluster (IPC)
(8)Head-Up Display (HUD)
(9)Remote Control Door Lock Receiver (RCDLR)
(10)EBCM - BPMV
(11)Forward Looking Sensor (FLS)
(12)Transmission Control Module (TCM)
(13)Engine Control Module (ECM)
(14)Body Control Module (BCM)
(15)Audio Amplifier
(16)Steering Column Lock Control Module (Export)
(17)Inflatable Restraint Sensing and Diagnostic Module (SDM)
(18)Front Passenger Door Module (FPDM)
(19)HVAC Control Module
(20)Rear Object Sensor Control Module
(21)Vehicle Communication Interface Module (VCIM)
(22)Antenna Ground Plane
(23)Antenna Module - Right
(24)Antenna Module - Left
Figure 3:

Rear Object Sensor Control Module and VCIM


Object Number: 1827057  Size: LF
(1)Rear Object Sensor Control Module
(2)Vehicle Communication Interface Module (VCIM)
(3)Rear Parking Assist (RPA) Diagnostic Connector