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Mitch.wiseman 09-14-2013 11:08 PM

Led Light Bar Buzzing
Hey guys I have been reading this forum for a while, finally decided to join in.

My question is regarding LED light bars.

I recently installed a Rigid Industries 40" E series on the front of my truck. While testing it my wife noticed the lights had a low hum/buzz while on. I am confident the wiring is correct, and the ground source is connected to the frame. Is this normal?

Asur 09-15-2013 11:10 AM

I don't think this is normal, I had read somewhere that some people had humming issues with that unit the E series, and it said something along the lines to contact customer support at Rigid. If you google the following

"rigid industries 40 e series led light bar humming issues "

a detail about the Rigid face book pages comes up with the following.

"If you are having humming issues with a light bar, please contact our sales team"

I would call them just to make sure. It may be normal that it will hum due to the heat its generating hence the heat sinks but maybe not. best confirm with them.

Quasimoto 09-20-2013 05:50 PM

I would definatly check with Rigid that sounds like a shorting circuit on the board.

skytop 09-26-2013 12:18 PM

LED buzzing can occur when there is insufficient voltage or an intermittent connection in the line.

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