Headlights cutting out

hey guys i have an 89xj and when i drive with the lights on after 10 mins or so they will shut of and turn back on randomly, and it seems like if i use my high beams they do it sooner than 10 or so mins. maybe half the time. how ive been dealing with it so far is to turn my lights off and on again and that seems to make them last a few mins before cutting out again. now i have no idea what could be causing this, a relay or wiring or what?, its a fairly new thing that has been getting worse so any advice would be very helpfull thanks in advance

could be the headlight switch

any idea how to check for that? other than replace and pray? lol

The head light switch is bad. Replace it.

http://www.naxja.org/forum/showthread.php?t=1077673

While you are at it, put in an aftermarket wiring harness for your headlights. It will protect the new headlight switch and allows you to run higher wattage bulbs safely.
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You can make your own http://www.go.jeep-xj.info/HowtoHeadlightLoom.htm

Or you can buy one: http://www.eautoworks.com/Putco-H4--...s-PRD7540.aspx

The eautoworks harnesses used to be quite cheap until everyone on this forum started recommending them and the price was raised accordingly.

You can pick them up for $29.99 here http://www.lmctruck.com/icatalog/csd/full.aspx?Page=48 part number 36-3580. It says it fits a chevy blazer but it's the same as the eautoworks harness and I'm running the LMC harness in my XJ.

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ok thanks guys