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I hear noise coming from my 10'' Alpine subwoofers while my car is running

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  • You have a ground loop coming off the amp. Make sure it is grounded solid and use connectors not just bolting the wire itself. Use sand paper and sand all the ground points well to make the best connection.Ground the amp to the frame well. Your hearing the alternator in your sub. Make sure to use the same size copper strand gauge wire as the power wire. Make sure the head unit is grounded well too.

Regards, Tony

Posted on May 28, 2011

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