which temp sensor location? - JeepForum.com
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post #1 of 5 Old 08-08-2009, 07:52 AM Thread Starter
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1982 CJ7 
Join Date: Jan 2008
Location: maine
Posts: 215
which temp sensor location?

i was replacing my t-stat the other day and noticed a second (electric) temp sensor before the t-stat housing neck on the top of the block. the PO had the hole in the neck plugged and a crazy collection of pipe fittings attached to a mechanical temp sensor in a box. should i hook up the mechanical temp sensor at the neck and plug the hole where the electric sensor is, or vice a versa? i have no plan to keep the electric sensor, but i would like to know the best place for my mechanical temp sensor.

the Jeep is an 82 CJ7 with a 302 from a 72 CJ5.

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post #2 of 5 Old 08-08-2009, 09:16 AM
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1979 CJ7 
Join Date: May 2008
Location: Locust Grove
Posts: 1,467
I assumed you meant "304". I put mine where the CTO used to be. Here's a nice picture of the manifold that labels everything. Notice how the EGR CTO port has a mechanical water located there.


'77 CJ-5 Renegade 304 / T-150, Dana 20, 30/20 axles, Aussie Locker in the Dana 30, American Racing 15x10 Outlaw II's, 33" Dynapro M/T's" ,Optima Battery, TeamRushed + Summit Racing CDI ignition, FlowKooler water pump, Edelbrock Performer Intake Manifold, Holley 4160 390cfm, Herculiner, Silver Ceramic Coated Hedman Hedders, Flowmaster 40's.
Warn PowerPlant HD 12K Winch, Dirtworx front and rear bumpers.
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post #3 of 5 Old 08-09-2009, 01:05 AM Thread Starter
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1982 CJ7 
Join Date: Jan 2008
Location: maine
Posts: 215
yeah. 304. i was looking at the 302 that sits in front of my jeep when i typed that.

nice pic, but for some reason it looks a little different than mine. maybe its all those silly vac hoses.

i have sensors for both spots. one at the t-stat housing (spark CTO port) and one at the water temp. sensor port

which spot is better?

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post #4 of 5 Old 08-09-2009, 02:14 PM
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1975 CJ5 
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Location: canada
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what kind of fitting goes on the water temp sensor
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post #5 of 5 Old 08-09-2009, 11:05 PM Thread Starter
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1982 CJ7 
Join Date: Jan 2008
Location: maine
Posts: 215
its an electrical connection on what looks like a stud in the pic. just one of those wires with a 90˚ rubber boot.

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