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LED Ground loop issues

Discussion in 'Technical Chat' started by apoteker, Aug 5, 2018.

  1. Aug 5, 2018 at 10:11 PM
    #1
    apoteker

    apoteker [OP] Well-Known Member

    Joined:
    Aug 1, 2012
    Member:
    #83859
    Messages:
    404
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    Male
    Vehicle:
    2012 DCSB O/R debadged
    JBL/Entune Touchscreen Navigation with speed sensor override mod, JBL Speaker refit, debadged, chime removed, overhead led mod, switch LED mod, rear cupholder LED mod, ImMrYo Rear-View Mirror Lift Bracket #339, Custom Cobra CB install, Iggy Switch panel, OEM Katzkin leather seats, Seat heaters, Illuminated 4runner 4WD switch, 4runner side mirrors (heated, turnsignals, puddle lamps), husky x-act fit floor mats, climate control knob upgrade, air injection pump filter mod, underhood LED light mod, KB Voodoo bike bar
    So when I turn on my 32" led light bar I get a buzz in my cb radio and fm stereo. Ditto for the led halos in my headlights. Weird thing is if I have bit on at same time, then the cb cb ra buzz dies. I used a magnet/ferrrite choke and wrapped the halo wires as that was the most used but doesn't seem to make a difference. Any ideas how to remove the buzz?
     
  2. Aug 6, 2018 at 9:01 AM
    #2
    Stephen_m64

    Stephen_m64 Well-Known Member

    Joined:
    Jun 9, 2018
    Member:
    #255896
    Messages:
    103
    Gender:
    Male
    NorCal
    Vehicle:
    '18 Taco TRD OR ACLB
    Rigid light bar?

    The problem is quite possibly from the led drivers themselves directly emitting too much RF.
     
    Last edited: Aug 6, 2018

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