GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Yukon XL - 2WD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Starting and Charging Schematics
Figure 1:

Starting
Object Number: 2074705 Size: FS
Figure 2:

Charging
Object Number: 2074707 Size: FS