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    Milo Dolezal's Avatar
    Milo Dolezal Posts: 7,192, Reputation: 523
    Plumbing Expert
     
    #1

    Aug 16, 2011, 02:04 PM
    Car Radio Reception
    My car radio looses reception when I pass under bridges. Also, I can hear quite audible "scratching" noise from my speakers every time I step on gas pedal. What is wrong ? How do I correct it ? Thanks for your help. Milo
    cdad's Avatar
    cdad Posts: 12,701, Reputation: 1438
    Internet Research Expert
     
    #2

    Aug 16, 2011, 02:28 PM

    Have you checked your spark plug wires lately? They can cause static on a radio. Also if your listening to AM it can disappear when under bridges. FM can fade in and out depending on how the antenna is tuned.
    Milo Dolezal's Avatar
    Milo Dolezal Posts: 7,192, Reputation: 523
    Plumbing Expert
     
    #3

    Aug 16, 2011, 02:50 PM

    Forgot to add: Yes, this happens only with AM stations. Radio sound is replaced with a loud crackling sounds while passing under bridges. FM appears to be fine.

    No, I have not checked spark plug wires since - and up to now - I've had no idea which direction to go and where to look. Do you suggest replacing them ? Any specific brand to suggest ?
    cdad's Avatar
    cdad Posts: 12,701, Reputation: 1438
    Internet Research Expert
     
    #4

    Aug 16, 2011, 02:55 PM

    I always recommend OEM spark plugs and wire sets. But anything that is insulated to help with the radio frequencies (resistor type) will help.

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