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

I/P Harness Routing - Engine Compartment and Lower Right Side of I/P


Object Number: 1653856  Size: LF
(1)Body Control Module (BCM) C2
(2)Fuse Block I/P
(3)Relay Block I/P
(4)Splice Pack SP208
(5)Body Control Module (BCM) C1
Figure 2:

Left Side of I/P


Object Number: 1653855  Size: LF
(1)Lower Dash Plenum
(2)Data Link Connector (DLC)
(3)Splice Pack SP205