GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2009
🢒
TopKick C-Series (Conventional) C4/C5
🢒
Power and Signal Distribution
🢒
Wiring Systems and Power Management
🢒 Upfitter Provision Schematics
Figure
1:
X103 - Upfitter Auxiliary Wiring Connector
Figure
2:
PTO Connectors