Question about 2001 Jeep Grand Cherokee

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2001 grand cherokee tail lights work when lights are on no brake lights wheather lights are on or not. I replaced buld in rt side and a socket on both.

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Brake switch at pedal arm may have loose wire or switch went bad.brake lights are on separate wire.

Posted on Mar 17, 2011


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My brake lights go out when I turn my lights on. I have a 2001 jeep cherokee laredo

On mine it was the either the brake lights worked or the tail lights, but never both. This happened on one side of the car only.
That turned out to be a bad ground on the socket were the light bulb plugs into. The socket is made from a couple of brass/copper pieces and they corrode and loose contact between each other. You can clean this sometimes, but it won't last. Better to hit the dealer and replace.
In my case the guy at the part counter didn't even look up the part number - I guess its a common enough problem.

Jul 01, 2011 | 2001 Jeep Grand Cherokee

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I have a 2001 jeep grand cherokee and the only brake light that works is the rear top light. i have changed both bulbs and fuse seems to be ok.

Is that the top rear light on both the left and right rear side or just one side?. If so what is your question? On every car I have ever owned, there was only one light for the brake light on each side.. On some older cars, dual filament bulbs served as both a tail and brake light, and in some cases also the turn signal. Today most cars will have a separate bulb on each side of the car for each function. If you only have a light working on one side, obviously check the other side, both the bulb and the socket. The bulb can be tested with a continuity meter and the socket with a 12DV tester or a dc meter. You will need to have some one hold down the brake pedal when you test the socket. Also, some autos will not have power to the brake light system unless the key is in the run position. Hope I have given you some insight :))

Best regards,

Jan 31, 2011 | 2001 Jeep Grand Cherokee

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When i don't have my tail lights on and i press on brakes you can see my brakes lights. When my tail lights are on and when i press on brakes my tail lights goes out. Ive checked all three tail light...

check sockets again the heat from brake light bulb warps plastic housing that the metal contacts are atached to. either replace housings $$$$$$ or gently pry up the metal contacts with small thin screwdriver or knife. good luck

Nov 28, 2010 | 2001 Jeep Grand Cherokee

1 Answer

Brake lights are all ok until tail lights are on. then u step on brake and one side goes out. tried replacing bulbs and brake light switch and stll have same problem.

It is the tail light housing thats at fault. You need to take the tail light off and pull the bulb socket out. In the hole you should see the metal contact ring the socket seats against. With a screwdriver carefully bend the metal ring out from the housing a little bit and then use a good amount of bulb or dielectric grease when reinstalling the bulb socket. This should fix your problem.

Nov 17, 2010 | 2001 Jeep Grand Cherokee

1 Answer

2001 Grand Cherokee Limited- Driver side rear brake light does not work if tail lights are on. When you step on brake tail light also goes out. With lights off everything works ok.

Very common issue is the lamp assembly (dealer item). They are very bad to ground back through the tail lamp filament, lights on the path has voltage on it and the lamp will not work.

Nov 19, 2009 | 2001 Jeep Grand Cherokee

3 Answers

Tail lights work, but not one brake light when braking at night.

2001 jeep grand cherokee left brake does not work period. I replaced bulb to no avail. the entire tail lamp assembly looked brown as though it heated up. However, the tail light, signal light and back-up lights still work. Please help.

Sep 03, 2009 | 2001 Jeep Grand Cherokee

1 Answer

2001 jeep grand cherokee tail lights

Could be the bulb sockets or the circuit board built into the whole taillamp assembly. The sockets are only about $12 and there should be 3 of them per side. If more than 1 bulb is not lighting up in your taillamp then I would say that your problem is the circuit board which like I said only comes in the taillamp assembly. Dealers usually keep these in stock since this is a problem these jeeps have been having. Next I would think about finding some window regulators cheap also cause those are all about to go out as well. Just a little friendly advice. Good luck.

Jan 07, 2009 | 2001 Jeep Grand Cherokee

2 Answers

No tail lights or brake lights

Check the relays associated with the tail lights, I believe that the tail light relay and the turn signal relay are two different entities. Hopefully that helps.

Jul 08, 2008 | 1999 Jeep Grand Cherokee

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