GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Pontiac
🢒
2008
🢒
G8
🢒
Diagnostic Navigation
🢒
Vehicle Diagnostic Information
🢒 Radio/Navigation System Schematics
Figure
1:
Radio Power, Ground, and Serial Data
Figure
2:
Speakers (except UWP)
Figure
3:
Speakers (UWP)
Figure
4:
Amplifier (UWP)