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Author Topic: Water Temp Sensor  (Read 1016 times)

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94kcyj

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Water Temp Sensor
« on: November 20, 2006, 06:39:50 AM »
I just finished installing a used 2.5l in my '94 Wrangler.  The donor was, supposedly, from a '95.  Problem is I can't find the water temp sensor on the donor engine.  Supposed to be at the rear of the engine, but there is nothing there.  Anyone got any ideas?
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yellowta

  • Guest
Water Temp Sensor
« Reply #1 on: November 20, 2006, 08:27:03 AM »
Thermostat housing would be the next logical location. My old 94 had sensors in both locations :lol:
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Offline Jeffy

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Water Temp Sensor
« Reply #2 on: November 20, 2006, 12:29:57 PM »
There are two.  One for the gauge and one for the PCM.  The one for the gauge is on the far end of #4 cylinder.  The one for the PCM is on the thermostat housing up front.
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94kcyj

  • Guest
sensor
« Reply #3 on: November 20, 2006, 01:23:08 PM »
there doesn't seem to be anyplace on the rear portion of the block, head, or valve cover for the sensor like there was on the bad motor I took out.
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yellowta

  • Guest
Water Temp Sensor
« Reply #4 on: November 21, 2006, 07:42:55 AM »
Then I would say that your donor is either pre-91 or post 95. I have a head off of a 90 that doesn't have a port for the sensor on the head, and my 2000 doesn't either. Must have been just an OBD-I thing
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94kcyj

  • Guest
Next question is then...
« Reply #5 on: November 21, 2006, 08:40:40 AM »
where to put a sensor so I can get that guage functional.

There is already a sensor on the water pump.
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yellowta

  • Guest
Water Temp Sensor
« Reply #6 on: November 21, 2006, 02:02:15 PM »
I bought a 3/8th T fitting from home depot and mounted the factory sender for the dummy light and the sender for my autometer guage on it. Works perfectly  8)
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