Temp gauge - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 7 (permalink) Old 07-01-2014, 11:39 AM Thread Starter
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Temp gauge

I just replaced the stator on my 94 Vulcan 750. Temp gauge jumps into the red zone when I turn on the key and motor not running. When it is running it goes up into the red then down to cold and back and forth. Any suggestions?
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post #2 of 7 (permalink) Old 07-01-2014, 11:58 AM
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So from what I understand, when I had problems with my gauge, the test was to touch the gauge wire to ground. If the gauge was good the needle would go all the way to the top. This suggests that the temperature sensor would lose resistance as it gets hotter (I could be backward on this 180 degrees). So the test for a sensor would be to put it in hot water and see if the needle went up, that is if the gauge was never moving at all.

So my guess is you have a short someplace and perhaps the connector at the temp sensor is touching the frame slightly.

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post #3 of 7 (permalink) Old 07-01-2014, 12:12 PM Thread Starter
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Originally Posted by Goofyfoot2001 View Post
So from what I understand, when I had problems with my gauge, the test was to touch the gauge wire to ground. If the gauge was good the needle would go all the way to the top. This suggests that the temperature sensor would lose resistance as it gets hotter (I could be backward on this 180 degrees). So the test for a sensor would be to put it in hot water and see if the needle went up, that is if the gauge was never moving at all.

So my guess is you have a short someplace and perhaps the connector at the temp sensor is touching the frame slightly.
Where do I find the temp sensor?
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post #4 of 7 (permalink) Old 07-01-2014, 12:29 PM
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Where do I find the temp sensor?
Take off the tank and you will see the wire connected to it just behind (toward the seat) the radiator fill cap. I think I might have wrapped electrical tape around mine at one time.

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post #5 of 7 (permalink) Old 07-01-2014, 12:38 PM
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If you're not feeling like taking off the tank, you can see the temp sensor just by removing the right neck cover. It's sticking out right on top of the thermostat housing, behind the radiator fill cap, like goofyfoot said. That wire gave me trouble too. The connector broke, so I just soldered it on.

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post #6 of 7 (permalink) Old 07-01-2014, 12:53 PM Thread Starter
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Where do I find the temp sensor?
Found it thanks!! Turns out that the wire attached to the temp sensor came off. Reattached and works properly!!!
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post #7 of 7 (permalink) Old 07-01-2014, 06:49 PM
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Now that a couple of members helped you out with the easy fix and saved you a ton of money at the stealership how about letting us know a little bit about your bike and your riding experience. Let us know were you are from. Put that in the "Newbie" introduction section.

and always remember, "Ride until you rot!"
**Really not sure if the Big "C" is back right now
but having to face the fact that this is a lifetime routine
going forward. Five operations done and it still continues.

Tom
Vulcan 2000
New ride: 2009 Victory Vision Arlen Ness Signature Series
4507 miles
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