GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2006 🢒 Solstice 🢒 Vehicle Control Systems 🢒 Computer/Integrating Systems 🢒 Data Link Connector Schematics
Figure 1:

DLC Power, Ground, and Low Speed LAN
Object Number: 1591700 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
High Speed GMLAN
B+ Bus Bar - 2 of 2
G305 (1 of 2)
G305 (2 of 2)
G305 (1 of 2)
Figure 2:

High Speed GMLAN
Object Number: 1591704 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
DLC Power, Ground, and Low Speed LAN