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Unread 01-19-2014, 10:56 PM   #1
NV90YJ
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1991 YJ Wrangler 
 
Join Date: Feb 2013
Location: Pahrump, NV
Posts: 8
No Tail Lights, Dash Lights, Running Lights

So I had when I turned on my headlights, I would have headlights, but no other lights(dash, tail, running). I tested checked fuses, all good. So I figured it was the head light switch, put a new one in, same issue. Checked the switch with a test light, its getting power but only sending power to the middle three prongs, not the top or bottom prongs. I hooked up wires directly into the female connector, the power coming from the middle connector, and feeding two wires, one going into the top and 4th female connector space. With the wires, everything worked, I figured I just bought a bad switch. So I exchanged the switch for another new one, get home, and same thing, just headlights. What is causing this?

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Unread 01-19-2014, 10:58 PM   #2
NV90YJ
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1991 YJ Wrangler 
 
Join Date: Feb 2013
Location: Pahrump, NV
Posts: 8
image-826046580.jpg

Wire set up
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Unread 01-20-2014, 05:09 AM   #3
jsawduste
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2006 YJ Wrangler 
 
Join Date: Jul 2006
Posts: 3,038
Search for the link to the factory service manual. Look at the wiring diagrams. There is a reason that only the inner connectors have power.

Loose the scotch locks.
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Unread 01-20-2014, 10:40 AM   #4
NV90YJ
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1991 YJ Wrangler 
 
Join Date: Feb 2013
Location: Pahrump, NV
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I don't see a reason based off of this wiring diagram that would explain the issue
wiring-diagram.gif  
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Unread 01-20-2014, 11:25 AM   #5
NV90YJ
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1991 YJ Wrangler 
 
Join Date: Feb 2013
Location: Pahrump, NV
Posts: 8
Is it possible the female plug is wired wrong?
image-1577753035.jpg

image-442155821.jpg

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Unread 01-20-2014, 12:32 PM   #6
Berniebikes
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1988 YJ Wrangler 
 
Join Date: May 2010
Location: Williamsburg, VA
Posts: 739
Your tail light fuse is out. Look at this thread.

http://www.jeepforum.com/forum/f12/g...ution-1918122/
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Unread 01-20-2014, 12:32 PM   #7
NV90YJ
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1991 YJ Wrangler 
 
Join Date: Feb 2013
Location: Pahrump, NV
Posts: 8
It's wired correctly. I'm stumped. Any help?
image-4031781249.jpg

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Unread 01-20-2014, 12:35 PM   #8
NV90YJ
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1991 YJ Wrangler 
 
Join Date: Feb 2013
Location: Pahrump, NV
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If it were the fuse, wouldn't the lights not work at all? I'm giving the female headlight switch connector power and the lights work, they only don't work with the switch.
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Unread 01-20-2014, 12:42 PM   #9
Berniebikes
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1988 YJ Wrangler 
 
Join Date: May 2010
Location: Williamsburg, VA
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read the thread. When the tail lights are out the instrument lights go out.
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Unread 01-20-2014, 01:23 PM   #10
NV90YJ
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1991 YJ Wrangler 
 
Join Date: Feb 2013
Location: Pahrump, NV
Posts: 8
You were right, the Turn Signal, Park and Tail Lamps fuse looked ok, but to be sure I swapped it, and it worked. The switch gets two power sources and the fuse is prior to the switch, not after the switch, which explains why they worked with power applied at the switch. Thanks!
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Unread 01-20-2014, 02:50 PM   #11
jsawduste
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2006 YJ Wrangler 
 
Join Date: Jul 2006
Posts: 3,038
Bingo
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