GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2008 🢒 G8 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Starting and Charging Schematics
Figure 1:

Starting
Object Number: 2034232 Size: FS
Figure 2:

Charging
Object Number: 2034231 Size: FS