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Discussion Starter #1 (Edited)
I found a loose yellow wire near the coolant bleeder screw under the tank and I have no idea what is for or where it is supposed to connect to.

Can you guys help me identify this wire?



sorry for the poor image quality, the tank is still on the bike and I was using a flashlight and my phone. if you need a better image just let me know and I'll get the tank off

edit: looks like the image may be upside down. a better image can be seen at http://zerodecline.com/yellowwire.jpg
 

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Discussion Starter #2
Ok, I was going through the wiring diagrams and it looks like the water temperature sensor. However, I'm not entirely sure where that connects at. Can anyone give me an idea of where to hook it up?
 

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it goes on top of the thermostat housing
 

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here ya go
 

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Discussion Starter #6
Thank you emtdon, that pic really helps. I was thinking that was where it went but the terminal on the end of the wire is just a c shaped connector, so I wasn't sure how it would connect there. Do you know what type of connector is in use in your pic?
 

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Discussion Starter #8
A spade connector is what it is. I just wasn't sure of the name. It looks like the PO had just laid it on top and crimped the spade ends together. Obviously not a very good solution since it popped off.

Is the one in emtdon's pic a standard disconnect or is it a specific type of connector?
 

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same that was on my 750. the PO may have broken the original spade connector and just used what was on hand to crimp on a new one. Possibly used a size too big?

Also worth note, its possible that it popped of because the tab the spade connector attached to broke off. Hopefully that's not the case.
 

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Discussion Starter #11
looks like the the thin metal piece on the top of the sensor is gone and I'm going to need to either find a way to get the spade to crimp on the little nipple that is there or buy a new sensor
 

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you could just solder the wire to the sensor. it could be removed later if needed. you would just have to desolder it.
 

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Discussion Starter #14
Actually Goofy, I had noticed it was disconnected when flushing the coolant but wasn't sure what is for. When I was able to finally ride I noticed the temp gauge wasn't working and thought that may be the cause, so I asked here since you all are more experienced with the setup on this bike.

I'll need to wait for the weekend to pull the tank and get at it and then update with what I do to get it to work.
 

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you could just solder the wire to the sensor. it could be removed later if needed. you would just have to desolder it.
Or, you can solder one end of a wire onto the top of the sensor, and crimp on a male spade connector to mate up with the female connector on the existing wire. That way you have an easy point of disconnect if it's ever needed.
 

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Or, you can solder one end of a wire onto the top of the sensor, and crimp on a male spade connector to mate up with the female connector on the existing wire. That way you have an easy point of disconnect if it's ever needed.
that's how I would do it
 

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Or, you can solder one end of a wire onto the top of the sensor, and crimp on a male spade connector to mate up with the female connector on the existing wire. That way you have an easy point of disconnect if it's ever needed.
that is a smart idea. that's what makes this forum awsome. what one doesn't think of the other one will. ;)
 

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Discussion Starter #18
You're right, that is a brilliant idea. I was just going to solder it in place but attaching another wire makes sense. I can just disconnect if I ever need to actually replace the sensor.

I'll probably take care of this on saturday and be sure to post and update when done.
 

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Discussion Starter #19
I was able to determine that my soldering skill suck but I was able to pinch the spade connector tight enough around the tip of the sensor that it seems to be holding and the coolant gauge is not working.

Thanks for the input.
 

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so its not working or now working
 
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