Question about 2004 Jeep Grand Cherokee

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I have a 2004 Jeep Grand Cherokee. The driver side brake light does not work when the headlights are on. It does work when the headlights are off. The passenger side works fine during both.

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Sounds like a bad earth connection in the light fitting.
First, Check how well the metal base of the globe fits into the socket. If it is a bit loose remove the globe , squeeze the sides of the metal socket with some pliers so that the globe fits snugly in the socket. If it is still not working correctly check where the earth wire from the Light Assembly is attached to the body. Remove. clean and re-attach securely if necesary.

Posted on Aug 22, 2010

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I have an 04 jeep grand cherokee that has a brake light issue. When the headlights are on only the driver's side brake light does not work. Both brake lights work fine when headlights are off. Already...


yep i can,,,you have a very bad earth on one of the lights,,,check them all till you find the bad one some times a self tapping screw into the body work will fix it,,

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Brake light goes out when headlights are turned


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I would suggest that you take a look here (I used this to correct brake-light issues on my '01):

http://www.topix.com/forum/autos/jeep-grand-cherokee/T63DRCOTUFKMHQ207

Many Grand Cherokees have had this type of issue. The thread is lengthy, but does cover just about every type of issue known with the tail/brake lights.

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