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Re: Ford 4630 electrical system
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Posted by Rod F. on September 01, 2003 at 19:52:53 from (142.177.113.236):
In Reply to: Ford 4630 electrical system posted by Ol Chief on September 01, 2003 at 12:17:54:
Without checking the diagram, I would guess that one of those wires goes to the fuse panel. There is a few relays in there that need power, and probably a bus for some stuff. It would also do well to check the ground terminal on the starter, to see if the post is actually loose. Tighten the jam nut behind the cable if it's loose. If there is a dead short, check the wires, starting at the starter relay. The ignition itself could be getting bad. It the starter relay has an open, it will run from the ignition switch, then (I think) to the transmission neutral switch, then to a micro switch on the PTO lever, then to the starter. I don't think it's fused. Think the ignition switch is fused. If there is power to the instrument cluster, then the alt will be getting exciter current, and is working, provided the light is out. I can look up the schematics if necessary, but sounds like you will have to chase some wires anyway. Also help to know if this is a cab model or not, if you want me to look. Good luck. Rod
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