I have JW lights also and thought it was lights because I had the same exact problem.it is indeed the connection. a light wiggle and the headlight is on and working and a second later off again. what kind of fix is there for this problem? i would prefer saving the money then dumping a few hundred on a new set of lights to only have the same problem again.
On my Jeep the red lock tab on my connector was broken so kept coming loose.
I zip tied and tapped it, no issues ever since.
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