AOL Autos Repair Blog

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With over 27 years in the automotive industry and nearly a decade in automotive talk radio, Tom Torbjornsen makes learning about cars easy with his personal manner, his expert advice, and his high energy and entertaining style. Tom has the unique gift of simplifying the complex and tearing down the technical, meeting you at your level of understanding. You will be encouraged as you gain the confidence to deal with problems related to the second most expensive purchase you will make in a lifetime - your automobile.

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Battery Drain

Q: "I replaced my car battery in my 2002 Saturn L300 in September 2007. I again replaced my car battery in April 2008. The technician told me that something is draining my battery. He told me that I will again need another new battery within 6 months if I don't find and repair the cause. I had the alternator checked and this is not the problem. Do you have any idea what is the cause of the drain on my battery."

A: Find a shop that specializes in electrical repair and have a parasitic electrical draw test performed. This is where the tech hooks a voltmeter to the battery and monitors voltage while eliminating one circuit at a time until the draw is found. Draws can happen from a faulty electrical component, shorted switch, or grounded hot wire. repairs of this nature are charged on a time and material basis. Good luck.

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