GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2009 🢒 H3 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Transfer Case Control Schematics
Figure 1:

Power, Ground, Serial Data, and Front Axle Control
Object Number: 2080209 Size: FS
Figure 2:

Shift Controls
Object Number: 2080214 Size: FS