GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Sierra Classic - 4WD 🢒 Engine 🢒 Engine Cooling 🢒 Engine Cooling Schematics
Figure 1:

8.1L and Diesel
Object Number: 1775351 Size: FS
Master Electrical Component List
Cooling System Description and Operation
Control Module References
10 Series
Power, Ground, DLC and Splice Pack SP205
G104, G107, and G110
Figure 2:

10 Series
Object Number: 1775357 Size: FS
Master Electrical Component List
Cooling System Description and Operation
Control Module References
8.1L and Diesel
Battery Supply - 1 of 2