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Q: charging system faliure. on 2007 Chevrolet Uplander

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3 weeks ago while driving down the road.on my dash board the charging system faliure light came on.i took it to the shop.and i was told the alternator was bad.so i went ahead and replace it.with a brand new one.it drove good for a couple of weeks.then the same light came on again.i took it to the shop.and they told me it was the battery.they tested it.it had a dead cell.i went ahead and replace it.drove it for a few miles and the light came on again.(charging system faliure)
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it is not uncommon to get a bad alternator rebuilt or new. many rebuilt units do not get new commutators or slip rings the unit should be under warranty so try another one. i have better luck having my old broke ones rebuilt by a local guy than getting a rebuild from a parts store that gets units from mexico
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