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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Temperature sensor location

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Old Aug 7, 2003 | 08:28 PM
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1986owner
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Question Temperature sensor location

Recently inherited a 1986 F150 with a 302. The cooling system had not been maintained very well. The temp gauge is not working (it does not move at all). I suspect the sensor. Can anyone tell me where it is located and the best way to check whether it is the sensor or gauge.
 
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Old Aug 11, 2003 | 10:46 PM
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steve83
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Temperature sensor location

Top of the engine L front. It has a single R/Wh wire. Put the key in the RUN position, ground the terminal for a few seconds, and see where the needle is. If it's near H or coming down from there, it's the sender. If not, it's the gauge or the circuit between them.
 
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