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post #1 of (permalink) Old 01-29-2007, 06:25 PM Thread Starter
 
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After market fuel Guage question.

Does anyone know of a aftermarket fuel guage that will work with the stock sending unit in a 1990 Jeep Wrangler Islander 258 I6 4.2L with a 15 gallon tank?

Or does anyone know the Ohms of the Stock sending unit?

I am wanting to replace all my in dash guages with matching mechanical water temperature, Oil pressure, new volt meter, Amp guage, and a new fuel guage. I am doing away with the clock. I am going to mount them in the original location of the stock guages with some fabrication and a fabricated bracket to hold them so the stock dash cover will show them.
Below is the guages I would like to use.


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post #2 of (permalink) Old 01-29-2007, 06:58 PM
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Re: After market fuel Guage question.

0 Ohms = full

44 Ohms =1/2

88 Ohms = empty
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post #3 of (permalink) Old 01-29-2007, 08:05 PM
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Re: After market fuel Guage question.

OK, I gotta ask. Is it the same for the plastic 22 gal tank? And, is the same from CJ to YJ. I'm contemplating whether to try and fix my CJ cluster for the YJ tub or just install all new 2" gauges.
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post #4 of (permalink) Old 01-29-2007, 08:49 PM
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Re: After market fuel Guage question.

It should be the same for the plastic tank, however CJ and YJ ohm values are reversed. Mixing CJ/YJ gauges and sending units ain't a great a good idea.
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post #5 of (permalink) Old 01-30-2007, 07:03 AM
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Re: After market fuel Guage question.

Yup, the CJ YJ fuel sending units are backwards. I have a CJ Dash in my YJ, and I used a CJ speedo and connected the fuel guage. When my tank is full, the guage reads empty, and when the guage starts to get near the F, I know I need fuel. It is funny when people ride with me.
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post #6 of (permalink) Old 01-30-2007, 03:00 PM Thread Starter
 
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Re: After market fuel Guage question.

Thank you very much for the info.
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