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Unread 08-18-2012, 06:17 PM   #16
Registered User
1988 YJ Wrangler 
Join Date: Nov 2009
Location: 11779, long island n.y
Posts: 574
i changed my tranny fluid than put it all back togather and my temp gauge stoped working also,it ended up that the tranny droped down to far and the wire pulled of the sensor ,easy fix . thank GOD i get a lot of those no money easy fixes.

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Unread 08-23-2012, 03:22 PM   #17
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1991 YJ Wrangler 
Join Date: Feb 2012
Location: Lincoln, CA
Posts: 87
Originally Posted by Jblood View Post
Today I was driving and noticed that my temperature gauge had suddenly stopped working. I drive a 1987 Wrangler and I'm proud to have one. What I am wondering is where the sending unit is(So I can Work on it) or what could have caused this problem any insight would be great.

I don't know which engine you have. I have a straight six in my 91 YJ. On that engine the sending unit to the guage is at the rear of the head on the drivers side. If you climb up and bend way over the block you'll see it. It's a small probe that has an "L" shaped connection that just pushes on like a spark plug wire. The temp sensor up front near the thermostat is the coolant sensor for the computer, not the gauge. Also it does'nt hurt to take your gauge cluster out and clean the contacts, and the one plug to the harness.
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