GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2009 🢒 H2 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Radio/Navigation System Schematics
Figure 1:

Radio Power, Ground and Serial Data
Object Number: 2097164 Size: FS
Figure 2:

Amplifier and Rear Seat Audio
Object Number: 2097165 Size: FS
Figure 3:

Amplifier Inputs
Object Number: 2097166 Size: FS
Figure 4:

Front Speakers UQS
Object Number: 2097167 Size: FS
Figure 5:

Right Speakers UQS
Object Number: 2097168 Size: FS
Figure 6:

Right Speakers UQA
Object Number: 2097169 Size: FS
Figure 7:

Digital Radio Receiver U2K
Object Number: 2097170 Size: FS
Figure 8:

Amplifier Inputs UQS
Object Number: 2097171 Size: FS