GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Savana - AWD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Outside Rearview Mirror Schematics
Figure 1:

Power, Ground, Power Mirror Switches and Motors
Object Number: 2080865 Size: FS
Figure 2:

Heated Mirrors
Object Number: 2080869 Size: FS