Question about Ford F-100

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Why does the positive wire smoke when starting?

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Check the connectors at both ends of the cable and make sure they are tight. Also check the insulation along the entire length of the cable to make sure that it's not shorting to ground. Do this for the ground cable as well. If that all checks out, and the cable is old (I see it's an F-100, after all), you may do well to replace it, as it may have corrosion inside the insulation which can cause all kinds of problems.

Posted on Jul 14, 2013

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