LED light bar flicker wired to fog light harness

Posted on Sunday, October 29th, 2017 at 1:23 pm
Salty Soul Jeep Shirt


I have 4 square cube lights and a 21″ light bar wired to the fog light harnesses.
I did have just 2 square cubes wired to each of the 2 fog light harnesses and they worked fine.
Then I introduced the 21″ light bar on 1 side, running the fog light power wire to a relay, then the power from the relay to power the 21″ light bar and the 2 cubes on the passenger side.
Driver side 2 cubes are still powered directly from the fog light harness and work fine.

The light bar keeps flickering while the 2 cubes on that circuit seem to not flicker.
I added a 4700uF capacitor to the power wires going to the light bar and 2 cubes, this solves the lights from flickering, but the relay is still rapidly switching on/off which is the root cause.
I added a 4700uF capacitor to the power trigger wire from the fog light harness and this does not help, in fact the lights stay off now more often than working.

Is there a solution to running the bigger LED light bars from the fog light harness? I like the idea if not having to run wires through the firewall for a manual switch when I have the factory fog light switch already on the stem.

Salty Soul Jeep Shirts

Article source: http://www.wranglerforum.com/f274/led-light-bar-flicker-wired-to-fog-light-harness-2168314.html

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