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

Right Rear of Vehicle Behind the Trim Panel


Object Number: 1276920  Size: LF
(1)Rear Integration Module (RIM)
(2)Digital Radio Receiver (U2K)
(3)Vehicle Communication Interface Module (VCIM) (UE1)
(4)Suspension Control Module (F55)
(5)Liftgate Lock/Unlock Relay
Figure 2:

Dash Integration Module (DIM)


Object Number: 1375137  Size: LF
(1)Windshield
(2)RH Side of I/P
(3)Dash Integration Module (DIM)
(4)Data Link Connector (DLC)