307C Excavator Electrical and Electronic System Caterpillar

Solution: Check that the following wire terminals and components are connected properly: "CONN 3", "CONN 4", "CONN 6", "CONN 14", "CONN 33", "CONN 34", "CONN 35", "CONN 36", "CONN 39", "CONN 40" and "CONN 48". If the problem still exists, use the following checking procedure diagram to troubleshoot the system.

Illustration 1	g00760700

Illustration 2	g00760710