Question about 1987 Jeep Wrangler

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I have a 1987 YJ Wrangler that the fuel gauge wasn't working. I was told it was the fuel sending unit. I replaced the entire fuel tank and it still didn't work. I replaced the gauges and it still doesn't work. Can you tell me what could be the problem?

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Tel me if these wire colors are correct. white/with black, tan, & black on gauge. Tan wire, & black /with yellow wire at sending unit. ?

Posted on Jul 21, 2009

  • Mike Butler
    Mike Butler Jul 22, 2009

    Are my wire colors correct from schematic I found?

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Trace your electrical line from the tank to the console make sure they are not exposed and grounding. Using a test light test the electrical connection on top of the fuel tank for power be sure to turn the key on.

Posted on Feb 11, 2011

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1 Answer

Replaced fuel pump now fuel gauge isn't working


sending units get knocked out of calibration when they change the pump.(carelessly).if you can.. check the top of the tank, to see if they plugged it in firmly. if not, raise heck till the change it. (doubt they will). other than the wires, not much you can do, without dropping the tank.

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You have no fuel safety shut off switch
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Are you referring to the fuel tank level sensor for the
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If you go to Rock Auto.Com-- you will see that the sending
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The mechanic is really screwing you over for sure

Drop the fuel tank & replace yourself

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Fuel gauge sensor


Yes, the sending unit is in the tank. If you unplug the connector at the tank and ground the gauge's sender unit wire to metal, with key on, the dash gauge should jump to full or near full. This verifies the dash gauge is working properly, and the problem is with the sender unit in the tank. If the gauge doesn't move when grounded, then the gauge or wiring from tank to gauge is not correct.
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Jan 24, 2012 | 1988 Jeep Wrangler

2 Answers

My 1991 wrangler the fuel gauge is pass full line .is the gauge bad or the fuel level in the tank?


Hello
The porblem under discussion here is not related with my expertise. Please get helped from any other. OK.

Dec 13, 2011 | 1991 Jeep Wrangler

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Where is the fuel gauge sending unit in a 2002 wrangler


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Aug 19, 2011 | 2002 Jeep Wrangler

2 Answers

I have a 1987 bronco 2, the fuel gauge isnt working at all it says i am empty all the time. what shoudl i do to fix it?


This problem in a Ford is caused by a defective fuel gauge sending unit inside the fuel tank, the tank must be removed to replace the sending unit.

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90 yj only 70k on it sat for 2 years. 4.2 carb, ran one day now hard start, runs for 15 min. then dies. cant restart unless kept in start position. not ign. switch, fuel pump, cap, rotor, wires, plugs, or...


Check the fuel for a presence of water. I'm sure there was a recall notice on the gasket on top of the fuel tank where the sending unit mounts. My YJ sat for a year and had water in the tank from this leaking. Drain and drop the tank, replace the gasket, and reinstall.

Oct 09, 2010 | 1990 Jeep Wrangler

1 Answer

How many OHMS is the fuel sending units in a duel fuel tank 1987 f-350 ford


The ohms will vary as to the amount of fuel in the tank,that is how the gauge works.The gauge its self is nothing more than an ohm meter.

Mar 21, 2010 | 1987 Ford F 350

2 Answers

Gas gage always reads full untill i turn off car


the fuel sending unit is probably stuck and need to replacing. common problems to many older vehicle it tend to read sometime correctly and sometime not at all. the sending unit will be in your gas tank.

Sep 30, 2009 | 1991 Jeep Wrangler

3 Answers

1987 Jeep YJ Hard to start hot


Sounds like a bad distributor control module. You blew-up your muffler because there was no spark.....lots of fuel in the exhaust....then an intremittent spark......BOOM!
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May 28, 2009 | 1990 Jeep Wrangler

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