Led bar switched with fog lights

davidc128

davidc128

New member
Ive got a 21" light bar on my front bumper and im wanting to switch it with my fog lights i know that ill need a relay to stop the flicker but am confused on where to set the relay. At the fog lights ive got a white and a black wire(switchleg and ground) how do i track down the hot to the switch or is there a way to intercept the switch leg to stop the flicker?

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Seems easy enough. Just use the fog light wires to power up the relay coil. Then run a fresh, fused wire from the battery, switched through the relay to the light bar. I need to do the same with my JW fogs. Even though the fogs have built in anti-flicker, they still flicker slowly.


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I read that even with using a relay, that you'll get a flicker and/or the relay will be making weird sounds, unless you still have the stock fogs hooked up as well. Comp doesn't see enough resistance and stars to modulate it.


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JeepJeep75 said:
Seems easy enough. Just use the fog light wires to power up the relay coil. Then run a fresh, fused wire from the battery, switched through the relay to the light bar. I need to do the same with my JW fogs. Even though the fogs have built in anti-flicker, they still flicker slowly.


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Thanks man i think u hit the nail on the head. It makes since now thanks!!

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raven12 said:
I read that even with using a relay, that you'll get a flicker and/or the relay will be making weird sounds, unless you still have the stock fogs hooked up as well. Comp doesn't see enough resistance and stars to modulate it.


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Interesting.. I'll have to try running a relay off the fog wire lead. I never thought about the noise it might make.


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On my 2012 I ran a 21" bar with a relay triggered from my fogs, it worked great. I then switch to a 2015 and had issues where the relay would buzz and not work properly. I talked to the vendor and they said they have had this issue with different jeeps from different years, sadly it all depends on the jeep. You can find a plug to tie into the oem wiring instead of splicing anything.
 
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