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Battery drains while car runs. replaced alternator. newer battery. what else?
1999 Chevrolet Malibu

Battery drains while car runs. Replaced alternator. Newer battery. What else?

(1999 Chevrolet Malibu)
I charge battery. Start car and shortly the battery light comes on and the battery power starts to fade. I replaced the alternator and continue to have the issue. What else should I look at?
3 answers & 3 comments
Popular Answer
on July 18, 2015
Also check 'maxi' (big) fuses under hood.
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General Diagnosis
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on July 18, 2015
Also check 'maxi' (big) fuses under hood.
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on July 18, 2015
check all connections,tight,plugged up,corrosion.then have the new alternator tested,could be bad,NEW alternator right off the shelf.happens a lot.also have the battery tested after full charge is put on it.
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on July 18, 2015
Alternator gives me 14 volts at the battery for 5 minutes after starting car. Then battery light comes on and the volts drop to 11. Wtf?
on July 18, 2015
if you checked what pushrod said,and all is good,take the alternator back and have it checked at parts house.sounds like the regulator may be bad.
on July 18, 2015
I agree, take that junk back and get a NAPA Power Supreme alternator!
on July 20, 2015
check for power to the altenator. Check the exciter wire.
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