Alternator Charge Cable - Ford Powerstroke Diesel Forum
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Old 07-16-2014, 06:57 PM Fanatic

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Alternator Charge Cable

Hey Y'all!

I have a question for you! I am wondering if anyone knows where the charging cable for the alternator leads to (the roughly 6-8GA wire)? Starting from the alternator, and tracing backwards I got as far as into the main engine harness, and then no clue! It appears as though the passenger inner fender somewhere?

The reason I ask: I broke the stock terminal off of the alternator cable on accident, the cable is ultra "hard" and the protective coating on the wiring is becoming flaky/chipping. I would like to replace the entire cable. I attempted to crimp on a new connector and solder the wiring, but wasn't able to get a good solid connection. Alternator charges at 13.2, battery sits at 12.6 and declines until I shut the truck off. I also attempted to run a temporary charge wire by removing the stock cable from the alternator side, and connecting a separate cable between the alternator charge terminal, and the drivers side positive terminal, but that did not work.

Thanks for the knowledge! pictures/diagrams are welcomed!

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Old 07-17-2014, 12:28 AM
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The cable goes from the alternator to the glow plug relay then to the starter relay on the passenger fender.
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