Hello all, I know this has been discussed on here before but I cant seem to find the answer on any threads. Basically at night I use my fogs and headlights. Every now and then they will flash off then back on, this includes all the interior lights as well.

Any suggestions??
Thanks in advance

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Pre-Lowered 02 Liberty
2.5" Rustys Coil w/ Ranchos in the rear.
ARB, OME927's, 1/4 strut plate and Als Gen 4.5 Uppers in the front.
Flowmaster Super 40 Series (GONE, SO QUIET!)
245/75/16 Kumho KL-78 w/ Spidertraxxxxx
Ripped out the plastic inner wheel liners
Herculined ALLLL over.....

Cables - or plugs loose somewhere
maybe bad fuses? or something loose on the fusebox
never heard of this happening to anybody...

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I have noticed something like this, but I think it is only the fog lights that flash on mine. It seems to happen sometimes after a turn when the turn signal shaft snaps back to normal position. Seems to only do it when both headlights and foglights are on.

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LostRenegade - Lost # 477
2003 Jeep Liberty Renegade - Silver
Mopar Skids, Skid Row Tranny Skid, Boulder Bars, Frankenlift II, 60" Hi-Lift Jack, K&N 6x9 Air Filter, Magnaflow, Dertoit Locker, 245/75R16 BF Goodrich All Terrains, Al's A-Arms

It's the multi-function switch. (controls headlights, fogs, interior lights, etc etc etc) It's bad...

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Me - '17 KL Trailhawk 4x4, Rhino, P245/65R17 Destination A/Ts, Stock Skids, waiting for mods...
Sis - '18 Cherokee Trailhawk 4x4 - Black - Dents - Scratches - STOCK

That is exactly what happened to me. It is the multifunction switch. Take it in and tell that it is bad and to change it. It is covered under the 3-36 warranty. And don't let them tell you that they can't find anything wrong. They should have seen this many times and should take your word on it.

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'05 Liberty Sport
Bright Silver Metallic
Mastercraft Courser A/T tires
The trail always looks easier from the top of the hill.

I had this problem for a while to. I turned the interior light setting to the always bright position and have had no problems for about 3 years. The "always bright" setting is the position between the dimmer section and the "Dome light on" position.

Don't know if this will work for you or if anyone else has tried it and had it work for them. But for me it seemed the problem was in the interior light dimmer.

I also had a multifunction switch go bad and had the same problems, but I also had a very fast clicking sound when it would act up. They fixed it under warranty.

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06 Renegade 4X4, Jeep Green
Wrangler Silent Armor's 245/70/16
Putnam Hitch

Most likely it is the multifunction switch, if it works with the dash lights all the way on high but goes on and off when they are dim then the dimmer is probably overheating and causing the problem.

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Gasoline is for washing parts - Alcohol is for drinking - Nitromethane is for racing - Diesel is for hauling.

2005 CRD Limited 4x4 - Deep Beryl Green - Selec-Trac
Trac-Lok - Skid Plates - BFG Radial Long Trail TA's- Rotella T 5W40 Synthetic.

2007 GC CRD Limited. Silver.