GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 TopKick C-Series (Conventional) C6/C7/C8 🢒 Engine 🢒 Engine Cooling 🢒 Engine Cooling Schematics

Electronic Fan Motor, Coolant Level Switch
Object Number: 813135 Size: FS
Master Electrical Component List
Cooling System Description and Operation
B+ Bus Bar
Underhood Fuse Block, PCM-B, HTD FUEL, A/C COMP, and RR DEFOG Fuses
Underhood Fuse Block, PCM-B, HTD FUEL, A/C COMP, and RR DEFOG Fuses
Module Power, Ground, Serial Data, and MIL
G203 - 2 of 4
G103 - 1 of 2, G105, and G106