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Old 11-25-2007, 10:23 PM   #1
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Blinker/Brake Light acting weird

I was cruising a bit today with my buddy who was behind me sometimes, and he told me that sometimes I lose my passenger side brake light, and sometimes the blinker on the same side doesn't work. I'm thinking its maybe some loose connection, but anyone experienced this before I go tearing into it? Thanks guys

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Old 11-26-2007, 11:29 PM   #2
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No one?! It's still doin it! PITA!

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Old 11-26-2007, 11:39 PM   #3
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It sounds like you are having a grounding issue. You might check to make sure that your tail light on that side is grounding out well. If you have stock rear lights then the bolts that mount it are your ground. Check to make sure that everything is clean and not corroded/rusted. If you have to go up a size and re-tap everything then make sure you put a good di-electric grease on the threads to maintain a good contact for the ground and cover it all in a good silicone to prevent water from getting in and causing the same problem in the future. Good luck and let us all know what you find!
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Old 11-26-2007, 11:56 PM   #4
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Where is the ground located? Where would you check for corrosion or rust? It's the passenger side light, and I don't think this helped anything.

Some lady PIT maneuvered me, making me spin 180 degrees and hit a curb, tipping over, right after I got it, I had no insurance yet, she ran off and never got caught, so I am stuck with the damage. Its not bad at all. But maybe that knocked somethin loose or started to make it loose, because that was months ago and this just started happening.
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Old 11-27-2007, 06:29 PM   #5
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Anyone know where the connections are that I need to be checking, other than the obvious, like any connections into the back of the light itself. Where does it ground to? Where should I even start with this? Thanks guys. Sorry, electrical isn't my strong point.
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Old 11-27-2007, 06:39 PM   #6
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Did you check the blinker fluid? After being on your side some might have leaked out.
Jim
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Old 11-27-2007, 06:40 PM   #7
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Quote:
Originally Posted by Hackle View Post
Did you check the blinker fluid? After being on your side some might have leaked out.
Jim
I duno, I have braided stainless blinker fluid lines and upgraded blinker master cylinder so I don't think thats the problem.

Now, seriously. This sucks, where should I start?
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Old 11-27-2007, 06:43 PM   #8
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BTW check your grounds most are located close to the lights and you can always add one by putting a self taping screw into the frame in the area and then attaching a ground wire to it.
HTH
Sorry could not stop the blinker fluid post it just snuck out.
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Old 11-27-2007, 06:45 PM   #9
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Thanks Jim. I'll check that all out, hopefully thats all that is wrong. This isn't really a common deal?
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Old 11-27-2007, 06:50 PM   #10
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You could of loosened up a connection in the accident. It is much easier on a framed vehicle to just make a new ground then spend the time chasing a bad one.
BTW I am an electrician and I did not stay in a Holiday Inn last night
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Old 11-27-2007, 06:51 PM   #11
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But it's just weird if something from the wreck did this, its happening a few months later. PITA. I'll look over it when I'm not so lazy, probably this weekend. It sucks cause it's dark by the time I get off of work.
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Old 11-27-2007, 10:11 PM   #12
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Try taking the red plastic cover off of your tail light with a phillips head screwdriver. Assuming yours is like mine then you will then see three bolts that mount the tail light assembly to the tub of the jeep. They go through a metal plate that goes to both of the bulbs and that plate is the grounding piece. The bolts act as the ground provided that they are clean and they are making good contact with the tub themselves. The bolts and the holes that they go through are where the rust and corrosion will take place. I hope that helps at least a little bit!
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Old 11-27-2007, 11:21 PM   #13
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Thanks a lot. Maybe I'll do that tomorrow, but I hate that its already dark by the time I get off work.
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Old 11-27-2007, 11:24 PM   #14
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I forgot to mention that my assembly had rubber washers on the bolts. I removed those and the contact was vastly improved and they grounded out well. If your bolts are very rusty or the tub is rusty you may need to replace the bolts. In my case they were too far gone and I ended up needing to get the next size bigger bolts and then re-tap the holes to the larger size. Good luck tomorrow!

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