GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Caprice WM 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Radio/Navigation System Schematics
Figure 1:

Radio Power, Ground, and Serial Data
Object Number: 2154221 Size: FS
Figure 2:

Speakers (except UWP)
Object Number: 2154225 Size: FS
Figure 3:

Amplifier (UWP)
Object Number: 2154227 Size: FS
Figure 4:

Speakers (UWP)
Object Number: 2154229 Size: FS
Figure 5:

Amplifier (UQ7)
Object Number: 2137107 Size: FS
Figure 6:

Speakers (UQ7)
Object Number: 2137116 Size: FS