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Unread 04-23-2012, 05:56 PM   #1
ShowroomShine
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1998 TJ Wrangler 
 
Join Date: Feb 2012
Location: Louisburg, NC
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Front marker/turn lights not working, driving me insane.

Ok, When I got the Jeep CJ5 the turn signals didnt work, but the lights lit up (just wouldnt signal).

Now fast forward, after installing the original harness and lights, and only the drivers side would light up. The passenger light would work if I pressed the bulb really hard down into the socket.

So I checked and cleaned the grounds, and retried both with the headlights plugged in and not plugged in. Same thing, driver worked passenger no work. Bought some new turn signal light assembly's from Quadratec with new harnesses and bulbs.

Now I go to install the new assembly, and neither one work. Nothing. On a voltmeter I was only getting 6v out of the drivers, and a flinchy reading of 0 or 6v on the passenger.

Now I havent checked the fuse for the lights at the box yet ( cant find a diagram) and I'm hoping this is it. Could it be a switch, or do I need to have the column hooked up or something else hooked up to make the lights work?

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Unread 04-23-2012, 06:42 PM   #2
Herb31
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1977 CJ7 
 
Join Date: Jul 2011
Location: Fairfax Station, VA
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Check the orientation of the contacts within the housings. Mine would light up, but not flash. So, I removed the bulbs, pushed on the wires from the back of the housing and the contacts push right out. I twisted them 180 degrees and pulled them back into the housing and BAM! Fixed.
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Unread 04-23-2012, 07:24 PM   #3
dslywalker
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1983 CJ7 
 
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Here's a diagram on the basics
http://oljeep.com/edge_76_tsm.html
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Unread 04-23-2012, 07:29 PM   #4
LT1CJ7
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1983 CJ7 
 
Join Date: Aug 2004
Location: [duhm-as]
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If your turn signal harness is not connected, they won't work.
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Unread 04-23-2012, 09:29 PM   #5
keith460
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1984 CJ7 
 
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Location: Doylestown, PA
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Quote:
Originally Posted by LT1CJ7 View Post
If your turn signal harness is not connected, they won't work.
Especially this plug that is hidden behind the grill and radiator. Check it for looseness or corrosion as it is a notorious plug that will give you the symptoms you are having.



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Unread 04-23-2012, 11:55 PM   #6
geneapodaca
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1978 CJ7 
 
Join Date: May 2011
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You're getting 6v so something is connected. Your connections are dirty, grounds bad, the fuse connection is weak, the headlight switch connections might be bad, the wiring corroded, etc. I'm guessing the fix will be similar for the turn signals too.
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Unread 04-24-2012, 12:13 AM   #7
EveryDayCJ
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1982 CJ5 
 
Join Date: Apr 2012
Location: Wilmington, NC
Posts: 10
I feel your pain... After a couple of hours of tracing, jiggling and wiggling I ended up running a ground from the bezel mount screw to the frame. I'd take a picture; but I'd have to disturb the wasp nest. Good luck!
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Unread 04-24-2012, 03:19 AM   #8
John Strenk
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1976 CJ5 
 
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Location: Shalersville Ohio
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Quote:
Originally Posted by geneapodaca View Post
You're getting 6v so something is connected. Your connections are dirty, grounds bad, the fuse connection is weak, the headlight switch connections might be bad, the wiring corroded, etc. I'm guessing the fix will be similar for the turn signals too.
One of the ways to get only 6 volts at a light is if there is a bad ground. Poor connection might also contribute but that could lead to any voltage at the light were as 6 volts is exactly half of the requires voltage, just what you would get with a bad ground.

Ground for the turn signal is through the special mounting screw that has a long shoulder like this, any other screw will give inconsistent results.

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