GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2009 🢒 H3 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 Body Control System Schematics
Figure 1:

Power, Ground, Serial Data, and Power Moding References
Object Number: 2080525 Size: FS
Figure 2:

Antilock Brake, Horn, Theft, and Wiper/Washer References
Object Number: 2080527 Size: FS
Figure 3:

Vehicle Access, Interior Lights, and Interior Lights Dimming References
Object Number: 2080530 Size: FS
Figure 4:

Exterior Lighting References
Object Number: 2080531 Size: FS