Question about 2008 Chevrolet Trailblazer

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Constant buzzing from radio

Radio sounds fine beyond that

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Sounds like you have one or more spark plug wires that may have gone bad or your ignition suppressor has failed. Is this high mileage vehicle? You may also have a loose ground in the circuit. I assume all its quiet when engine is not running?

Posted on May 09, 2014

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