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The temperature sensor you're asking about is a device that detects a temperature above a specific point, usually somewhere around 180F, then closes the contacts of a switch. The switch can directly run a motor or it may be connected to a relay. If the contacts of the temperature sensor switch become damaged they can weld together and the switch will stay on constantly.

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โˆ™ 2015-02-09 11:37:36
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Q: What is the purpose of a temperature unit sensor will it make your radiator fan stay on constantly?
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