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Answered 2011-09-13 17:25:47

There are a few resons for this, usually bad wire connections or a short. It is best to take it to a mechanic that is an automotive electrician to diagnose the problem. This is the best advice on this I can give, but if something is killing your voltage regulators. Also have the alternators checked at an auto parts store, they may still be good. Check the battery and charging system, usually free at auto zone or advance. If you have a week battery the security system can drain the battery.

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