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How do you find the good working condition of alternator?

Updated: 8/18/2019
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14y ago

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The most simple way is to use a voltage gauge of some kind, Run the engine at 1500 rpm and measure with head lights on and off. The voltage should change very little and be over 13.7 volts.

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14y ago
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Q: How do you find the good working condition of alternator?
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