Quote:
Originally Posted by cheshired5
The quickest way to get an idea of alternator performance is to measure the DC output directly from the alternator b+ post not the battery on a running engine.
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Thanks!
I think you are on to something. It could be faulty diode on the alternator draining power.
I'm not testing on a running engine as it won't start. I assume you mean to jump start the car then do the test?