GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2008 🢒 H3 🢒 HVAC 🢒 HVAC - Manual 🢒 HVAC Schematics
Figure 1:

Module Power, Ground, Serial Data, and Blower Controls
Object Number: 1911818 Size: FS
Master Electrical Component List
Air Temperature Description and Operation
Control Module References
Rearview Camera (UVC)
Figure 2:

Air Delivery Control
Object Number: 1911820 Size: FS
Master Electrical Component List
Air Temperature Description and Operation
Control Module References
Compressor Control
Rearview Camera (UVC)
Figure 3:

Compressor Controls
Object Number: 1911823 Size: FS
Master Electrical Component List
Air Temperature Description and Operation
Control Module References
Air Delivery Control