Quote:
Originally Posted by Timco
Just check voltage with car running and batt unhooked to get alt voltage?
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No, no, no! As Steve said, never disconnect the battery with the engine running. Excess juice fries diodes in the alternator. Just put the meter on the + and - terminals while the engine's running. This will tell what the alternator's putting out, but nothing about the condition of the battery. Load test it.
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