Question about 1993 Jeep Grand Cherokee

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Jeep cherokee headlights flicker flash

After a random time headlights begin to flicker. High beams cause it to start flashing sooner. Occasionally the flash on lowbeam- but only after about a half hour or more of driving. They would flash for about 15 seconds and then return to normal(lowbeam). High beam will keep it flickering, and they seem to stay "out" for a longer period of time. The headlight switch has been replaced twice - not the issue. Anything found from a google search of "jeep Cherokee headlights flashing" has not worked. Have not done anything with corrosion yet, or the dimmer switch(hi/lo switch).

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  • 71 Answers

Best guess is the Hd. Lt. Relay.
Probably will have to be replaced.

Posted on Apr 02, 2014

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  • Russ Gracie Apr 02, 2014

    The hi beam lamps usually draw more currant than the low beam, This explains why Hi beam is effected more than Lo Beam.

  • Russ Gracie Apr 02, 2014

    The hi beam lamps usually draw more currant than the low beam, This explains why Hi beam is effected more than Lo Beam.

  • Russ Gracie Apr 02, 2014

    Check the junction box on the firewall for bad or corroded connections.



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  • 1985 Answers

SOURCE: 1998 Jeep Cherokee replaced headlight switch, now they don't work

you need to replace the multifunction switch also

Posted on Jan 21, 2010



  • 54 Answers

SOURCE: 1999 Jeep Grand Cherokee Headlights do not work

I would look at replacing the headlight switch(junkyard will save you money)!

Hope this sheds some light on it!

Posted on Oct 23, 2009


  • 1 Answer

SOURCE: Jeep Headlights not working. High beam works

had the same problem on my 92....check under the hood on the drivers side,towards the front,there is a "junction box" with all of the lighting wires connecting from the switches to the lights.My wires were all corroded inside,so I cleaned the ends and bought a new box from the local electronic supply store.The problem has not come back.


Posted on Jul 15, 2009

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I would look at replacing the headlight switch(junkyard will save you money)!

Hope this sheds some light on it!

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we cant teach a year of school on topic in this box.
but can say if you had voltmeter
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google how to test automotive electrics, or buy a book?

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