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

Behind the Right Side of the Instrument Panel


Object Number: 317633  Size: MF
(1)Instrument Panel Integration Module (IPM)
(2)Body Control Module (BCM)
(3)Fuse Block - I/P
Figure 2:

Data Link Communications (DLC) Connector


Object Number: 592145  Size: MF
(1) Data Link Connector (DLC)