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DDM Fogs = Radio Interference

Discussion in 'Lighting' started by StinkyNuts, Aug 9, 2010.

  1. Aug 9, 2010 at 7:27 AM
    #1
    StinkyNuts

    StinkyNuts [OP] Member

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    Kevin
    Topeka, KS
    Vehicle:
    lifted SR5
    3" Old Man Emu Kit, GrillCraft, Hella Black Magic with HID Mod on the way......
    I've been running the DDM 35w fog (slim ballast) lights for about mouth now. Install was very easy plug the stock plug into the ballast two wires going to the lights. The night I instilled them I turned the key started the truck the radio came on clearly, turned on the lights and the radio on low volume has an engine whining though the radio. The stations that are faraway that came in clearly before are blank nothing there, no sound at all. The stations that came in very clear are quieter. I can switch off the fogs and the radio is fine. I’m I missing something? Or is the ballast feeding back though the wiring? Please help…….

    Thanks
    Kevin
     
  2. Aug 9, 2010 at 10:56 AM
    #2
    IamTacO

    IamTacO red balls got me!

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    adam
    QC az
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    01 Prerunner SR5 TRD-Offroad
    4x2 Prerunner. Hankook Dynapro ATM rf10 265-65-16, e-locker FTW! Morimoto d2s bi-xenon HID projectors, Philips 85122+ 4300K, Cobra 75 w/ 3' firefly, Kenwood KDC-MP342U w/ SIRIUS, Line-x bed liner, 4' coretrax(black)
    are the lights getting dimming when this is going on? my friend had something kinda like this, and the drain of his hid's with this stereo(amp) killed his alternator
     
  3. Aug 9, 2010 at 11:07 AM
    #3
    StinkyNuts

    StinkyNuts [OP] Member

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    lifted SR5
    3" Old Man Emu Kit, GrillCraft, Hella Black Magic with HID Mod on the way......
    The light stays constant after the little warm up at the start.
     
  4. Aug 9, 2010 at 2:45 PM
    #4
    PreRunnerSeth

    PreRunnerSeth Well-Known Member

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    Check your grounds.
     
  5. Aug 18, 2010 at 1:02 AM
    #5
    Viet2100

    Viet2100 Well-Known Member

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    Delray Beach, FL
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    +1 on the ground if you have a relay harness.
     
  6. Aug 18, 2010 at 6:55 AM
    #6
    StinkyNuts

    StinkyNuts [OP] Member

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    Kevin
    Topeka, KS
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    lifted SR5
    3" Old Man Emu Kit, GrillCraft, Hella Black Magic with HID Mod on the way......
    I installed the DDM turning HID harness last night and no change. Do I need to reverse the polarity?
     
  7. Aug 18, 2010 at 2:50 PM
    #7
    Viet2100

    Viet2100 Well-Known Member

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    Not at all. They wouldn't work. Try grounding it directly to the negative terminal of the battery.
     
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