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SportTrac Discussion
Electrical
Alternator Dying-Updated 1/1/11
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<blockquote data-quote="Todd Z" data-source="post: 943726" data-attributes="member: 58941"><p>A battery is 12.6 (+ or -) when idle...... after the truck is running it will be sitting in the 14's.... IT takes time for that also to settle down as well..... </p><p></p><p></p><p></p><p>Have a reputable shop test the alternator with a saber machine or equilivant....</p><p></p><p></p><p></p><p>as stated best thing to do is disconnect the alt over night and go from there...</p><p></p><p></p><p></p><p>ALSO if a diode is bad, Some times the alt is WARMER then the rest of the engine in the AM from the drain....</p><p></p><p></p><p></p><p>Todd Z</p></blockquote><p></p>
[QUOTE="Todd Z, post: 943726, member: 58941"] A battery is 12.6 (+ or -) when idle...... after the truck is running it will be sitting in the 14's.... IT takes time for that also to settle down as well..... Have a reputable shop test the alternator with a saber machine or equilivant.... as stated best thing to do is disconnect the alt over night and go from there... ALSO if a diode is bad, Some times the alt is WARMER then the rest of the engine in the AM from the drain.... Todd Z [/QUOTE]
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SportTrac Discussion
Electrical
Alternator Dying-Updated 1/1/11
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