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Battery not charging message on 1998 sedan deville, battery is 3 months old.

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Hi,

Take your car to a nearby business that tests your battery and charging system for free, around here Shucks and Les Schwab do that kind of thing. It costs nothing and they can usually get you a diagnosis.


OR

you can reset the service engine soon light with scan tool,but if you don't
have one, disconnect battery negative terminal for 10 minutes

I had three Napa alternators go bad on my Deville. For some reason, Cadillacs and aftermarket alternators do not seem to get along as a general rule. Although you will probably find many members here who have successfully used them there also seems to be many like me who have had problems, hence the recommendation to stick with AC Delco. Before reinstalling the next alternator, carefully examine the connections and wiring for corrosion or loose mating connections inside the plastic connector(s).

Good Luck

Thank You

Posted on May 15, 2009

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My alternator is good & my battery still gets drained


How old is the battery? I learned at Sears while working there in the battery department that the average life of car batteries is about 3 years. So, after that, batteries lose a significant amount of their performance CCA or cold cranking amps, and may have to be replaced on a pro rated basis after that period of time, on average.


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