Question:

Dead battery, battery replaced and alternator is good. Still dies?

by Guest5368  |  12 years, 7 month(s) ago

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I have a03 vw jetta. he battery was dead. I get the battery replaced and they alternator checked. My car still dies if it sits for a while. I assume there is a short somewhere. I have pullled the fuses and none have any problems. Please help.

 Tags: alternator, Battery, dead, dies, replaced

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  1. amomipais82
    Hi,
    Here are a few things to check.

    1) All the connections on the alternator and the battery, make sure they are clean and free of corrosion.

    2) The installation. Double check that everything was installed correctly, and all wires were put back where they need to be.

    3) Follow the wires from the alternator to ensure they are not chaffed or worn down to metal anywhere.

    4) Lastly, it is possible that the voltage regulation circuit is bad. Many alternators have the voltage regulator inside them, but more and more vehcile have what is called EVR, it means the voltage regulation is done by the computer, which means you may well have a bad section of your computer. I'm not certain if your vehicle has this or not, but it is something to check out.

    Good Luck

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