Question about Ford Mustang

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Have a 1969 Mustang. It runs from the battery only. There is a wirer issue. I am guessing that it is at the ignition switch side. It is not the alternator or the regulator. Is there anyone that know older mustang electrical system?

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  • Ford Master
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There is one small wire that is supposed to have 12 volts on it with the key on,it should be marked I,or S,if it is not getting 12 volts when the key is on,Install a wire ,from a good known 12 volt sourse with the key on.

Posted on Feb 08, 2010

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  • Master
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First check see if you have BAT+ voltage to the Bat cable on the alternator? also which motor you have

Posted on Feb 08, 2010

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