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Unread 06-29-2013, 03:32 PM   #1
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Join Date: Jun 2013
Location: havelock, nc
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where is my temp sensor

I recently took my 90 yj and installed a brand new motorcraft carb. now i am not getting any reading from my temperature gauge. both sensors on the side of the intake manifold are in good shape still but the sensor on top of the manifold right in front of the carb was broken. i looked online to find a replacement but could only find the temp sensor on the side of the manifold, not on top. Is the broken sensor my problem and what is it. Where can i find a replacement.. trying to upload a photo

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Unread 06-29-2013, 04:50 PM   #2
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1990 CJ7 
Join Date: Nov 2008
Location: Ga
Posts: 5,145
It is installed vertically in the head, driver side near firewall
418 miles on 19 gallons of gas. Can't beat the BBD !
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Unread 06-29-2013, 04:53 PM   #3
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1991 YJ Wrangler 
Join Date: Mar 2012
Location: Niagara Falls, NY
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Welcome t JeepForum, you've just found one of the best jeep sites anywhere!

Far as I know jeep uses 2 temp sensors, one for the engine and the other for the gauge. The sensor for the gauge should be near the back of the head on the driver's side, right near where the manifold bolts on. Purple wire on it if I recall correctly. You might also check to see the gauges have a good ground, bad grounds a very common prob. Hope that helps!
***--- Wrecking Crew member ---***
"I've prolly been around longer than you think"
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intake sensors , motorcraft , temperature gauge

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