GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Yukon - 4WD 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 Body Control System Schematics
Figure 1:

Module Power, Ground, and Serial Data
Object Number: 2075564 Size: FS
Figure 2:

Power Moding and Interior Light References
Object Number: 2075566 Size: FS
Figure 3:

Exterior Light References
Object Number: 2075568 Size: FS
Figure 4:

Vehicle Access and Wiper References
Object Number: 2075571 Size: FS
Figure 5:

Brake, Horn, Transmission, Theft, and Secondary Configurable Control References
Object Number: 2075574 Size: FS