Question about Ford F-150

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Should your truck still run if you disconnect the neg cable from the battery

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  • leon butler Jul 19, 2010

    yes but where is the alt ground

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  • Ford Master
  • 1,871 Answers

Hello! Yes, but not for long...Current flow is from + battery through the alternator ground...The alternator will act as a voltage source...
Does the vehicle have a problem?....Guru.....Saailer



I’m happy to help further over the phone at https://www.6ya.com/expert/david_6df67de3b14de867

Posted on Jul 19, 2010

  • David Burbee
    David Burbee Jul 19, 2010

    Hello! The ground is connected to the alternator via frame bolt...The engine, chassis and - battery post are (or should be) connected by ground straps...saailer

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moparownr
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SOURCE: charging system, 90 prizm

yes it is, you can also check this with the engine running measure voltage at the battery anything above 12.5 is charging if below is not working

Posted on Mar 30, 2009

dmsr63
  • 2050 Answers

SOURCE: 1990 chev 2500 with a 350

If your cable was indeed laying on a hot cylinder head, it will conduct heat from the engine and transfer it all through the cable, which will heat up the battery also. That cable should be replaced, and make sure the connection are clean, at both ends.

Posted on Jul 31, 2009

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