GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2008 🢒 Enclave 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Power Moding Schematics
Figure 1:

IGN I/II
Object Number: 1882112 Size: FS
Master Electrical Component List
Power Mode Description and Operation
Control Module References
IGN II/III
Figure 2:

IGN II/III
Object Number: 1882113 Size: FS
Master Electrical Component List
Power Mode Description and Operation
Control Module References
IGN I/II