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

Power, Ground, DLC, and Splice Pack SP200
Object Number: 1752533 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
High Speed GMLAN and Splice Pack SP250 - Diesel
B+ Bus - Underhood Fuse Block - Gas
AUX PWR, BLWR, CNSTR VENT SOL, IPC, LTR, REAR FOG LMPS, and STOP LAMP Fuses
High Speed GMLAN and Splice Pack SP250 - Diesel
High Speed GMLAN and Splice Pack SP250 - Diesel
SIR Caution for Zoning
G303
Figure 2:

High Speed GMLAN and Splice Pack SP250 - Diesel
Object Number: 1752537 Size: FS
Master Electrical Component List
Data Link Communications Description and Operation
Control Module References
Power, Ground, DLC and Splice Pack SP200
Power, Ground, DLC and Splice Pack SP200
Power, Ground, DLC and Splice Pack SP200
Data Communication Schematic Icons
Data Communication Schematic Icons
Data Communication Schematic Icons
Data Communication Schematic Icons
Data Communication Schematic Icons
Data Communication Schematic Icons
Data Communication Schematic Icons
Data Communication Schematic Icons