GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2009 🢒 G6 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 OnStar Schematics
Figure 1:

Onstar (Coupe/Sedan)
Object Number: 2078783 Size: FS
Figure 2:

Onstar (Convertible)
Object Number: 2078787 Size: FS