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TippmannA-5 08-03-2012 04:15 PM

In need of serious help!!
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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. :mad:
This is with the jeep off even though I just charged the battery and it was full.
This is with the jeep running.
This has been sawed and cut and I have no clue if it even goes in this jeep.

Luuca 08-03-2012 05:20 PM

What have you done to try and remedy this?
Checked ALL your grounds?
Checked your Flasher modules?

TippmannA-5 08-03-2012 07:08 PM

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

superj 08-03-2012 07:57 PM

You need a ground on the underside of the dash beneath the headlight switch. It screws into sheet metal.

rambo3489 08-03-2012 08:05 PM

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.

TippmannA-5 08-03-2012 08:44 PM

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.

JeepinJer 08-03-2012 10:24 PM


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!

Luuca 08-04-2012 08:55 PM

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.

Que89YJ 08-06-2012 11:56 AM

Do you have a meter?
Here are some links for you to read through:

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