Question about 1995 Cadillac DeVille

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Service charging system

Air conditioner, heater, blower work sometimes sometimes not. Service charging system light comes on and soon engine quiets Alternator and battery are good and dealer says a new computer module is needed at high cost. Are they correct as they have given me eronious info and it cost me bigtime the last time they worked on it.

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  • paulbalaguy Jun 22, 2009

    I did that. Took it to a toyota dealer and they looked at it and said nothing was wrong. It worked fine for 2 months and started all over again. This is very frustrating and the car is unreliable

  • paulbalaguy Jun 24, 2009

    When driving the engine will quit and needs to be jump started. Had battery and alternator checked at Auto Zone and battery is good and alternator is charging. Dealer says the car needs a computor module

  • paulbalaguy Jun 24, 2009

    Thanks, i will take it to another shop

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You need to get an opinion from another repair shop. Look for one that is ASA certified.

Posted on Jun 22, 2009

  • pwasas Jun 22, 2009

    I really don't understand your second sentence very well. you say "soon engine quiets Alternator and battery are good and dealer says a new computer module is needed at high cost" I don't follow what you mean. I would like to help, but i'm not sure exactly what the problem is.

  • pwasas Jun 24, 2009

    It sounds like the charging system. Autozone can't do a complete test on an alternator. I personally know that. At least the one in our area. When I test an alternator, I check for max. amp output, that's what you need to know. It should be over 100 amps easily. You can have proper voltage and not have recommended amps.

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