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

Data Link Connector (DLC)


Object Number: 1958166  Size: FS
Master Electrical Component List
Control Module References
RHD High Speed LAN
G201 (1 of 2)
Figure 2:

RHD High Speed LAN


Object Number: 1958167  Size: FS
Master Electrical Component List
Control Module References
LHD High Speed LAN
Data Link Connector (DLC)
Data Link Connector (DLC)
Figure 3:

LHD High Speed LAN


Object Number: 1958168  Size: FS
Master Electrical Component List
Control Module References
RHD High Speed LAN
RHD High Speed LAN