Question about 2002 Jeep Grand Cherokee

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2002 Jeep grand cherokee

If the headlights are on I have no brake lights....but when headlights are off they work fine. What would be the problem and what can I do

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A bad ground. Could be front or back. Just a note. All the exterior lights run threw the turn signal switch. Don't rule it out. Check grounds first. Run new ones if you have to.

Posted on Dec 23, 2016

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Third brake light on '01 Jeep Grand Cherokee not working.


check the light socket it could be lose on the wires or just the light

Jul 12, 2012 | 2001 Jeep Grand Cherokee

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My 99 Jeep grand Cherokee Laredo 4x4 has some brake light problems. The brake lights work fine during the day, but when I need to have my headlights on, my left brake light and tail light competley shut...


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I replaced my rear brake light bulbs on my 2002 Grand Jeep Cherokee. The lights work fine as long as I don't have my head lights on. What could be the problem. I just received a citation because of no...


The brake and turning lights are on a different switch than the tail lights. Check the fuse for the brake light circuit. Check to see if your front turning lights work. My guess is they won't work either.

Sep 07, 2010 | 2002 Jeep Grand Cherokee

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Brake Light doesn't work when headlights on


Have you tried replacing your brake light switch located under the dash on the brake pedal or it could be a short in the wire. You need a test light and unplug your brake light hornance from the bulb have someone step on the brake pedal touch the light to the hornance and see if your getting electrical current back there

Jul 30, 2009 | 2002 Jeep Grand Cherokee

1 Answer

I have a 1999 jeep grand cherokee and the brake lights wont work


there's a possibility that it might be the socket that the bulb actually goes into. my break light did something similar to that. the socket only cost about 8 bucks from the dealer.

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2002 Jeep Grand Cherokee limited 4.7 speedometer flips around when headlights are on bad, and rarely when they are not on.


Sounds like a "bad" earth on the dash head unit. Also check enging to chassis earths, gearbox to chassis, battery to chassis etc.

Nov 04, 2008 | 2002 Jeep Grand Cherokee

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