Question about 1981 Ford F 100

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Electrical problem Recenly bought a 1977 ford F150, 400, C6. Towed boat to lake on bumpy road. When I started truck to pull away from boat launch the started hung and the truck would not turn off by the key and the battery ground wire got very hot and melted the solder that held it to the battery terminal. I was able to stop the fire by separating the negative cable were the solder melted. The next day I returned, replaced the started the solenoid to be safe and the negative batterey cable. It ran 100 miles home fine. drove it around town a few days and it was fine. The other day I went to turn it off and the key wouldn't turn the truck off. I replaced the ignition switch and key. When I tried to start the truck the new battery was dead. I tried to charge the battery both by charger and in another vehicle but nothing. I put a battery in from another vehicle and started the truck. Again the starter wouldn't disengage and the key would not turn the truck off. Stumped in Alaska

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  • Anonymous Mar 19, 2014

    engine does not start but turns over



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There is a short on the car electric circuits, or inside the ignition block. If I was in your shoes I would start by replacing the ignition block. This can probably fix it. If it doesn't, you should check the ignition circuit backward to find the short.

Posted on Jun 01, 2008


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If I understand correctly, the car ran fine when you took it home, and you haven't used it since.
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