GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2008 🢒 H3 🢒 Transmission/Transaxle 🢒 Transfer Case - BW 4493/4494 🢒 Transfer Case Control Schematics
Figure 1:

Power, Ground, Serial Data, and Front Axle Controls
Object Number: 1911844 Size: FS
Master Electrical Component List
Transfer Case Description and Operation
Control Module References
Shift Controls
Figure 2:

Shift Controls
Object Number: 1911847 Size: FS
Master Electrical Component List
Transfer Case Description and Operation
Control Module References
Power, Ground, Serial Data, and Front Axle Control