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Unread 12-26-2010, 11:22 PM   #1
jennali
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2001 XJ Cherokee 
 
Join Date: Dec 2010
Location: Columbus, Ohio
Posts: 4
left turn signal doesn't work if braking

Hi. I have a 2001 XJ that I bought about two months ago. The problem is that when I am braking before I turn, the left turn signal stops blinking (light on dash stays lit), but as soon as I take my foot off the brake it blinks normally. Just before it did this the left turn signal was blinking quickly like it would if a bulb was out, and the right turn signal works fine. On a side note, my left rear tail light is burnt out (I assume it is since it isn't lighting, although the brake lights are fine), and I have only really had this issue since the weather got colder. Any ideas? I saw some similar threads on here but nothing quite answered my question. Any help is greatly appreciated!

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Unread 12-27-2010, 12:36 AM   #2
littlehoov
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1986 XJ Cherokee 
 
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It sounds like a ground issue...Id pop off the taillamp assembly, look for any poor connections, melted connections, etc.

I believe the ground for the turn signals is underneath the plastic piece on the side of your rear cargo area, theres probably also an adapter plug there worth checking out.

My moms Venture had similar problem which was caused by the ground plug on the plastic taillight connector melting...a common problem in those vans.
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Unread 12-27-2010, 01:15 AM   #3
Mr_Clickerson
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Quote:
Originally Posted by littlehoov View Post
It sounds like a ground issue...Id pop off the taillamp assembly, look for any poor connections, melted connections, etc.

I believe the ground for the turn signals is underneath the plastic piece on the side of your rear cargo area, theres probably also an adapter plug there worth checking out.

My moms Venture had similar problem which was caused by the ground plug on the plastic taillight connector melting...a common problem in those vans.
Seconded. Sounds like a bad ground. Had the same issue with my blinkers when my headlights were on. Bad grounds to the parking lamps just below the headlights.
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Unread 12-27-2010, 07:25 AM   #4
xjfever
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I would start with replacing the bulb and see if the issue goes away. Sometimes the bulb will cause the problem, also make sure the socket is clean and rust/dirt free. Then add a small amount of dielectric grease to the socket before putting the new bulb in. If the bulb doesn't fix it then the above posts are correct that it is a ground problem. More often than not the ground issue is within the socket rather than the wiring though.
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  1. '95 XJ country edition, 4" coils/3/4" spacers, HD leafs with extra main added in, Ironman adjustable control arms, rough country shackles, aussie locker, JK rubicon shocks, 35" mudder's, soft 8's, cobra cb
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Unread 12-27-2010, 05:06 PM   #5
jennali
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Thanks for all the advice! It's freezing cold and dark out now and my jeep lives outside but tomorrow I will try to replace the bulb and if it's still messed up I'll look at the grounding...I don't know a ton about cars but I would love to fix this myself and not pay a ridiculous amount of money if it is a relatively simple problem...I'll keep you posted and may ask more questions later! Thanks
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Unread 12-27-2010, 05:56 PM   #6
jennali
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Ok well I tried to post a reply about an hour ago but it is not showing up so I will try again! Thanks for all of the advice first off. It is dark out and freezing cold now and my poor little jeepie lives outside but tomorrow I will try to replace the taillight and see if that helps at all. If not then I will try to look at the grounds. I don't know a ton about cars but I would love to try fix this myself and not spend a ridiculous amount of $ on a relatively simple problem. Also I forgot to mention that I do have a trailer hitch (which I will be removing at some point). Could that be affecting the lights where it is wired in? Also, when i put my hazard lights on, ONLY my left turn signal flashes, my right does not....very bizarre to me. Thanks again and I will probably be back with more questions tomorrow!
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Unread 12-27-2010, 06:55 PM   #7
xjfever
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1995 XJ Cherokee 
 
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You can fix it yourself with a little help, and there are a ton of folks here who can help you. Just post up your results and if you don't get it fixed right away someone on here will help you through it. The trailer wiring could also be the culprit, but it for sure sounds like a ground problem. Good luck and welcome to the forum.
__________________
  1. '95 XJ country edition, 4" coils/3/4" spacers, HD leafs with extra main added in, Ironman adjustable control arms, rough country shackles, aussie locker, JK rubicon shocks, 35" mudder's, soft 8's, cobra cb
  2. Sold'99 WJ limited, 4.7L, 3" IRO lift. Bilstein shocks, JK rubicon wheels, 255/70/17's, carolina driveshaft, IRO adjustable control arms, IRO adjustable A-arm
  3. Sold '00 TJ, 4" lift, rusty's adjustable control arms, skyjacker shocks, rock krawler adj. trac-bar,rugged ridge SYE and RE driveshaft, soft 8's, 35" mud king xt's,XJ HP D30 w/aussie locker, 4:88 yukon gears, hella 500's, rock crusher diff covers
4. 04 Dodge ram 1500 quadcab, yes, it has a hemi.
5. '08 BMW X3, Mods in progress.
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