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Unread 04-20-2013, 09:53 PM   #1
Oper8or
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1989 YJ Wrangler 
 
Join Date: Apr 2013
Location: Maryville, Tennessee
Posts: 32
After market fuel gauge

Since I'm replacing the head on the yj I'm updating the gauges too. I'm replacing the stock set with sunpro gauges for now. I have a question about the fuel gauge though. I know its supposed to be 0-90 ohms and I would like to know if anyone has replaced the stock on using a different type. I was planning on using the stock wiring to do it. I was going to just splice the connector coming into the gauge cluster and run the gauge off of it. I found a gauge that is 0-90ohms but I have to order it. Any ideas from here would be appreciated.

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Unread 04-20-2013, 11:30 PM   #2
jokerchief462
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1989 YJ Wrangler 
 
Join Date: Nov 2010
Location: Sin City, Nevada
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Splicing it in will work just fine.
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Unread 04-20-2013, 11:32 PM   #3
Oper8or
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1989 YJ Wrangler 
 
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Quote:
Originally Posted by jokerchief462 View Post
Splicing it in will work just fine.
TY very much. All I needed to know.
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Unread 04-21-2013, 09:36 PM   #4
Oper8or
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1989 YJ Wrangler 
 
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Location: Maryville, Tennessee
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Well I was wrong, that isn't all I need to know. Looking at the manual it states that the WHT is the input and TAN is the sending unit. I've got the ground good and there are not dents in the gas tank. When I hook it up to a ignition hot and the ground to ground it goes to full. When I hook the receiving from the tank to the gauge it stays at full as well. I know the sending unit works because the original gauge worked.

Now, should I run the + to the WHT, the S (send) to the TAN, and the ground BLK to ground? Is that how it supposed to work?

If the WHT is supposed to be power, it aint getting none. I'll have to check the fuse for that one.
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Unread 04-23-2013, 02:44 PM   #5
Oper8or
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1989 YJ Wrangler 
 
Join Date: Apr 2013
Location: Maryville, Tennessee
Posts: 32
Quote:
Originally Posted by Oper8or View Post
Well I was wrong, that isn't all I need to know. Looking at the manual it states that the WHT is the input and TAN is the sending unit. I've got the ground good and there are not dents in the gas tank. When I hook it up to a ignition hot and the ground to ground it goes to full. When I hook the receiving from the tank to the gauge it stays at full as well. I know the sending unit works because the original gauge worked.

Now, should I run the + to the WHT, the S (send) to the TAN, and the ground BLK to ground? Is that how it supposed to work?

If the WHT is supposed to be power, it aint getting none. I'll have to check the fuse for that one.
Got it working. The WHT/wBLK stripe is hot, while the tan(brown) is the send. Its now working correctly. Thanks for the help!

I'll post a pic later of the gauges installed. Nothing fancy, just some sheet metal behind the factory panel.
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Unread 07-27-2013, 08:31 PM   #6
packdog
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2001 XJ Cherokee 
 
Join Date: Apr 2013
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Which style gauge?

I need to replace my gauge too. The parts store has two types, GM and Ford/Chrysler. Which kind did you use?

*EDIT*. Nevermind, I found it in another post. It uses the GM style which is 0 ohms empty, 90 ohms full. I don't seem to have much luck using the forum search function, but Google seems to always have a link to a thread on this forum!

Last edited by packdog; 07-27-2013 at 08:50 PM.. Reason: Found the answer
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