Fixing LED light bar radio interference

[zonzin]

Anyone else get a high pitched whine on AM radio when powering up the LED light bar? I'm guessing some ferrite cores will resolve the issue, on order.


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[Tuc4R]

Anyone else get a high pitched whine on AM radio when powering up the LED light bar? I'm guessing some ferrite cores will resolve the issue, on order.


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Who listens to AM radio anymore? lol J/K

 

[samwhich]

Anyone else get a high pitched whine on AM radio when powering up the LED light bar? I'm guessing some ferrite cores will resolve the issue, on order.


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My old cheapo LED fogs gave me the same thing through my CB. I am guessing a lot of it has to do with the quality of LED, but yes ferrite cores should fix this issue if placed in the correct spot along the harness of the LED.

 

[zonzin]

Who listens to AM radio anymore? lol J/K

Talk radio in the middle of nowhere,, yeah AM. Gota have Rush.


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[zonzin]

My old cheapo LED fogs gave me the same thing through my CB. I am guessing a lot of it has to do with the quality of LED, but yes ferrite cores should fix this issue if placed in the correct spot along the harness of the LED.

Where do you think the correct spot would be, close to power or load?


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[samwhich]

Where do you think the correct spot would be, close to power or load?


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Closer to power, check out this link: How to Remove Radio Interference Using Ferrite Coils for HID and LED Headlights - Better Automotive Lighting

 

[Tuc4R]

Talk radio in the middle of nowhere,, yeah AM. Gota have Rush.


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OK, true enough. You got me there.