Right Brake Light doesn't work with lights on - JeepForum.com

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post #1 of 17 Old 05-29-2009, 10:37 PM Thread Starter
pCarson92
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Right Brake Light doesn't work with lights on

My right brake light works just fine in the daytime. At night, when I turn my lights on, it doesn't work at all. I've changed the bulbs a few times, I'm sure it is the right kind. What else could the problem be?

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post #2 of 17 Old 05-29-2009, 11:58 PM
owenswj
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Check your contacts in the socket. They may need to be cleaned or even pryed up on a little bit.
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post #3 of 17 Old 05-30-2009, 12:03 AM
Mickey_D
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Either that or the ground wire. Something to try is to pull the bulb with the connector still on it and have someone else step on the brakes. If the larger element in the bulb lights up, it's working correctly. If both elements light, the ground isn't working.

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post #4 of 17 Old 05-30-2009, 12:53 AM
steelstr45
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Just pry up the 3 contacts in the light fixture and all should work.
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post #5 of 17 Old 05-30-2009, 11:38 AM
electrician
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had the same prob with mine. my brake/tail light socket blew, so i switched that with the reverse light socket (which was fine), but the brake light only worked and not the tail light, so i bought a new socket 12 bucks from dealer and with all sockets working, it's fine now.
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post #6 of 17 Old 05-30-2009, 11:45 AM
Kruzin
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If it's not the socket, it could be the circuit board. Try the other suggestions on your socket, if they don't work, you may need to replace the tail light, just to get the cicuit board.

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post #7 of 17 Old 05-30-2009, 12:27 PM
ZJPunk98
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as suggested already, ensure a good ground

Erik

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post #8 of 17 Old 05-30-2009, 03:26 PM
00RedWJ
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Had the exact same problem, as many of us have. You can tinker with the socket connections but it keeps coming back because the circuit boards in the tail light housing crack from the heat.

Easy to replace and relatively inexpensive at http://www.am-autoparts.com
I bought them and It's been fine now for 2 years. I also bought front headlight housings and replaced my foggy. cruddy looking ones. Made the car look so much better.
The fronts come with bulbs, the rears do not come with sockets or bulbs. You will need to use your old sockets in the new housings.

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post #9 of 17 Old 05-31-2009, 08:12 AM Thread Starter
pCarson92
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Hey guys, thanks for all your help. I pried up the contacts, at least I think they were contacts (3 little things sticking out of what the bulb is plugged into). I've yet to see if it worked.

I don't know how to change or fix the ground, and I can't spend much money.

With my luck it is probably the circuit board, which I would love to replace but it looks like that would cost about $40.
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post #10 of 17 Old 05-31-2009, 10:16 AM
steelstr45
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Quote:
Originally Posted by pCarson92 View Post
Hey guys, thanks for all your help. I pried up the contacts, at least I think they were contacts (3 little things sticking out of what the bulb is plugged into). I've yet to see if it worked.

I don't know how to change or fix the ground, and I can't spend much money.

With my luck it is probably the circuit board, which I would love to replace but it looks like that would cost about $40.
The metal contact that's not next to the other 2 is the ground contact. On mine, I pried that up only, and it worked. Over the course of a few months, I had to pry it up several more times, I haven't had to for almost a year now, and it still seems to be working fine. So don't go replacing the taillights unless you just can't get it to work.
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post #11 of 17 Old 05-31-2009, 10:31 AM
bradbb2005
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Quote:
Originally Posted by pCarson92 View Post
I've yet to see if it worked.
pull in front of a building with a bunch of windows and look in the rear view, just dont back in to the building....

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post #12 of 17 Old 05-31-2009, 11:28 AM
steelstr45
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Quote:
Originally Posted by bradbb2005 View Post
pull in front of a building with a bunch of windows and look in the rear view, just dont back in to the building....
You can also rest a brick or something on the brake pedal. I usually wedge a snow cleaning brush between the brake pedal and seat.
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post #13 of 17 Old 05-31-2009, 11:53 AM
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I just did this fix on my LEFT taillight....I pried the silver metal tab in the taillight housing NOT the bulb housing....There is one single tab which is the ground and I noticed it didn't sit flush with the black plastic of the housing so I used a very thin flat screwdriver and GENTLY pried the tab up until it sat a little above the plastic....Worked great and actually made the lights brighter by better completing the ground.

Also, with the housing out, you can spin it to face the front of the Jeep and look through your sideview mirrors to test.

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post #14 of 17 Old 05-31-2009, 11:59 AM
00RedWJ
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Quote:
Originally Posted by CheapSunglasses View Post
I just did this fix on my LEFT taillight....I pried the silver metal tab in the taillight housing NOT the bulb housing....There is one single tab which is the ground and I noticed it didn't sit flush with the black plastic of the housing so I used a very thin flat screwdriver and GENTLY pried the tab up until it sat a little above the plastic....Worked great and actually made the lights brighter by better completing the ground.

Also, with the housing out, you can spin it to face the front of the Jeep and look through your sideview mirrors to test.
I did that too a few times. lasted a while. When my daughter got a ticket for faulty brake light, I bought the new housing. No problems ever since

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post #15 of 17 Old 01-21-2015, 07:08 PM
ysaucedo09
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I'm having an issue with the passenger side tail light on my 04 Jeep Liberty...At night, when I turn my headlights on... the tail light will not work, but when I step on the breaks, it comes on... I have already bought new bulbs and new sockets. I don't know if it might be the wiring or the actual entire tail light. If someone could help me out with this I would greatly appreciate it. I don't want to waste my money by taking it to and electrician if I can fix the problem myself. Thanks.
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