GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Opel 🢒 2007 🢒 GT 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Data Communication Schematics
Figure 1:

Low Speed LAN
Object Number: 1856145 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
High Speed LAN
B+ Bus Bar - 2 of 2
SIR Schematic Icons
G300 - 2 of 2
Figure 2:

High Speed LAN
Object Number: 1856159 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
Low Speed LAN