Alternator or Battery Confusion? - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 3 (permalink) Old 09-13-2010, 01:18 PM Thread Starter
Join Date: Sep 2008
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Alternator or Battery Confusion?

I have taken my 2006 Chevy Cobalt to two different places for an alternator check. They said that they couldn't tell me for sure if it's my battery or alternator. They said that the battery was very low but also the alternator was running low also so it was in decisive.

I had to jump it off last week because I left it at home for a weekend on vacation, once I jumped it off I drove it all week without a problem. Then this weekend I left it at the house for 1 day and had to jump it off. Any suggestions as to what it is, battery or alternator? Thanks for the help
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post #2 of 3 (permalink) Old 09-13-2010, 01:24 PM
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Im assuming you don't have a voltage meter?
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post #3 of 3 (permalink) Old 09-13-2010, 01:34 PM Thread Starter
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Nope sorry, I know its not a lot of info. Just hoping my give me a guess on what they think it may be. I think the one mechanic said my alternator was running at 12 and should be at 13 to 14. I'm hoping its my alternator cause i'm taking it to GM on friday where it should be covered by warranty.
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