Thread: Need help with water temperature gauge
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Old 07-26-2017, 10:46 PM
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Originally Posted by RockBit View Post
I got the 10V converter today. Hooked it up to a 13V source and got 9.98V out. Good to go.

I pulled the water temp gauge and sensor out of the car. Applied 10V to it with the sensor in boiling water. The needle never moved. I then retested it with 12V. Needle never moved. I think the sensor is bad. The gauge does a full swing when initially hooked up.

Tomorrow I will do the bench test on the oil temp gauge and sensor.
Did you have the sender case grounded to your negative supply with an alligator clip?

Is this a single wire sender, or two wire sensor?

Electronic or electric gauge?
Last edited by Gaz64; 07-26-2017 at 10:50 PM..
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