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Barking Dog
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237 Posts
Discussion Starter · #1 ·
I have a Yanmar 4JHE and while working on some other project, I busted the wire off the top of my Temperature Sensor (not sending unit).

What does this wire do, do I need to fix it and where can I get the part?

Thanks,
Craig
 

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Barking Dog
Joined
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237 Posts
Discussion Starter · #4 ·
I just looked it up again in the service manual and this is called the Water Temperature Switch. This is in addition to the Temp Sending Unit.

There is a threaded end on the switch that screws into the fresh water pump. On the exposed end there is a wire that connects to it. I busted this wire off, but the way that it was connected is not typical like a ring terminal. It's like the end of the wire was attached by pouring plastic on top of the switch and when it solidified, it was stuck. Maybe I am over thinking this is just a type of soldering that I haven't seen before.
 
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