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loud engine noise coming though my car speakers

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  • loud engine noise coming though my car speakers

    I have an aftermarket audio system installed in my car, the system was playing perfect with no engine noise, a few days ago while the music was playing I unscrew one of the 6x9 speaker and it accidently touch the metal panel of the car and sparks, from that moment I am getting very loud engine noise and when I turn on my headlight there is another strange noise, I try to use a ground isolator which helps a little with the engine noise, but whenever I turn on my headlight that noise is still there, I try re-grounding, new RCA leads, make sure that all power wire run on one side of the car, and the RCA leads run on the other side of the car, and still no luck. Can someone advise, thanks

  • #2
    try a ground loop isolator, you can get them on ebay for fairly cheap, solved my issue

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