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Old 08-24-2014, 08:30 PM   #1
SierraJK's Avatar
Join Date: Aug 2014
Location: Orange County, CA & Mammoth Lakes, CA
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Light, Switch, & Wiring question

'07 JK - I have a stock front bumper with the fog lights. I am looking at replacing the fogs with (2) 18-24 watt LED lights when I install my new bumper. Since LED's don't draw much, can I use the existing wiring & switch in the Dash? or should I add one? Thanks

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Old 08-24-2014, 09:49 PM   #2
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Fog should be plug and play. Fuses protect the wiring not the lights.

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Old 08-25-2014, 08:10 AM   #3
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Using factory wiring and switch is likely to cause flickering in the lights due to PWM and you may have other CANBUS issues due to the lower than expected power draw of the lights.
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Old 08-25-2014, 02:19 PM   #4
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thanks, I'll keep them separate.
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Old 08-26-2014, 12:35 PM   #5 Sponsoring Vendor
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Originally Posted by Jkandls View Post
thanks, I'll keep them separate.
You should be able to trip a relay off of the factory fog light circuit to control the new lights from the factory switch, but I'm not sure how the CANBUS would feel about not having lights plugged into the factory harness. There are also anti flicker harnesses if you wanted to try running the new lights right off the factory harness and have flickering. Good Luck!

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