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Unread 08-03-2012, 03:15 PM   #1
TippmannA-5
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1989 YJ Wrangler 
 
Join Date: Dec 2010
Location: River Heights, UT
Posts: 125
In need of serious help!!

I have a 1989 wrangler that I have wanted to drive off a cliff for sometime now but just can't find it in me to do it. Stupid insurance wouldn't pay me enough.... Anyway on a more depressing note I have ANOTHER problem with the Heep. This time it is in the form of an electrical gremlin. Ok every light on the outside of the jeep works. The only lights that work inside on the center of the dash are my turn signals. I have no high beam light or anything. There are no bulbs out though. I dont even know if the tachometer and the white thing holding the lights is supposed to go to this jeep. When I turn on my turn signals they will blink normally a few times and then they will start blinking out of control. They then start blinking normally once my RPM's settle down to around 900. Also turning my turn signal on or going into reverse will turn my radio off. My battery gauge has a mind of its own. Sometimes it will say I am getting 14 volts other times it will be down by 9 volts. I had the alternator tested and they said it was putting out 14 volts at idle. The previous owner did a hell of a job in making the under dash wiring a freaking rats nest. I want to freaking throttle the guy if I ever see him again.
http://www.jeepforum.com/forum/attac...-42-24_272.jpg
This is with the jeep off even though I just charged the battery and it was full.
http://www.jeepforum.com/forum/attac...-24-02_330.jpg
This is with the jeep running.
http://www.jeepforum.com/forum/attac...-36-23_786.jpg
This has been sawed and cut and I have no clue if it even goes in this jeep.

2012-07-27_23-24-02_330.jpg   2012-07-27_23-42-24_272.jpg   2012-08-03_14-36-23_786.jpg  
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Unread 08-03-2012, 04:20 PM   #2
Luuca
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2005 LJ Wrangler 
 
Join Date: Apr 2012
Location: Corona, CA
Posts: 2,399
What have you done to try and remedy this?
Checked ALL your grounds?
Checked your Flasher modules?
Fuses?
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Unread 08-03-2012, 06:08 PM   #3
TippmannA-5
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1989 YJ Wrangler 
 
Join Date: Dec 2010
Location: River Heights, UT
Posts: 125
I have checked all the grounds that I know of, which is a ground off the engine to the firewall and a ground off the engine to the frame. All fuses are good and the flashers are good too
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I'm growing rather fond of driving a vehicle with the aerodynamic qualities of a brick.
Yellow Jeep Club Member #4.2
Every time a bird craps on my jeep, I sit on my front porch and eat scrambled eggs to show them what i'm capable of!
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Unread 08-03-2012, 06:57 PM   #4
superj
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1987 YJ Wrangler 
 
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Location: corpus christi, texas
Posts: 6,501
You need a ground on the underside of the dash beneath the headlight switch. It screws into sheet metal.
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Unread 08-03-2012, 07:05 PM   #5
rambo3489
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1989 YJ Wrangler 
 
Join Date: Feb 2011
Location: Albuquerque, New Mexico
Posts: 1,637
You sound like you have one PITA issue. I wont be much help either the only thing I could think of is what the others have said is ground. Ground everything. The more grounds the better. Unless you ground to a hot wire or something. But run some extra grounds to the dash. It wont hurt anything. If that doesn't fix it you have one long painful wire tracing fest to do.
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Unread 08-03-2012, 07:44 PM   #6
TippmannA-5
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1989 YJ Wrangler 
 
Join Date: Dec 2010
Location: River Heights, UT
Posts: 125
Oh there will be no wire tracing!!!! I need to put up a picture of the rats nest under there. I have never heard of a ground on the headlight switch but what the heck ill try.
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I'm growing rather fond of driving a vehicle with the aerodynamic qualities of a brick.
Yellow Jeep Club Member #4.2
Every time a bird craps on my jeep, I sit on my front porch and eat scrambled eggs to show them what i'm capable of!
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Unread 08-03-2012, 09:24 PM   #7
JeepinJer
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1999 WJ 
 
Join Date: Feb 2012
Location: Clearfield, ut
Posts: 133
Tippman,

I ran into this issue some time back, although I cannot remember how I remedied it (a lot of help I know). Did you pull the gauges out? if so check the plug at the back of the gauges... make sure it is clean and tight. Theres also a ground back there, check that too. If you cant find a diagram, I have an old Haynes around here somewhere that I can take some pics of and send to you if that will help. Its the older one thats more specific to our years Heep (mines a 90). Let me know if theres anything I can do to help, from one Utahn to to another... good luck!
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Unread 08-04-2012, 07:55 PM   #8
Luuca
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That white thin plastic piece is supposed to be behind your gauge. If its just hanging there it may be shorting out the dash. Pull the gauge and try to reinstall that wiring piece. Also, check the ground near the top front of your emergency brake.
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Unread 08-06-2012, 10:56 AM   #9
Que89YJ
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1989 YJ Wrangler 
 
Join Date: Apr 2008
Location: Detroit, Michigan
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Do you have a meter?
Here are some links for you to read through:
http://www.jeepforum.com/forum/f12/g...power-1116340/

http://www.jeepforum.com/forum/f12/r...er-how-991307/
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