GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2008 🢒 Yukon XL - 4WD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Engine Cooling Schematics
Figure 1:

Except HP2
Object Number: 1906916 Size: FS
Master Electrical Component List
Cooling Fan Description and Operation Gas w/o LFA
Control Module References
Engine Cooling (HP2)
Figure 2:

HP2
Object Number: 1988295 Size: FS
Master Electrical Component List
Cooling Fan Description and Operation w/ LFA
Control Module References
Engine Cooling Schematics (Except HP2)