Question about Cadillac Seville

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I have 1999 cad seville sls my volts range 13.0 - 13.4 while drivin at night might drop a little lower please help put alt an new battery

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I don't see a problem with those numbers. They are perfectly acceptable for a charging system. If you meticulously cleaned all your wire terminals and made sure they were tight, you might get 14V, but I don't see any need to. If you are having electrical problems with your car then your charging system is definately not your problem. The problem is elsewhere. Hope this helps.

Posted on Apr 10, 2011

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