Thread: My powermaster alt can't keep up with my fan
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Old 10-16-2010, 05:38 AM
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Insufficient information. On the Summit Racing website, there are ten pages of Powermaster alternators with a wide range of output (amps) values. You need to know the output of your alternator and the draw (amps) of all you electrcial accessories to better understand what is happening. If the total draw exceeds your idle alternator output, you will get the symptom you describe. BTW, if the dropped voltage is above 13 volts, it shouldn't hurt anything.
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