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Not sure what the actual name of the fan is, but its the electric fan that blows the radiator. Changed the relay and hooked direct 12 volts to it and it works. Something has stopped sending power to engage the relay. What do I do

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  • Dodge Master
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It only gets power when the temperature is up. The fan is not needed at highway speed or when it is cool.

You may have a failed sensor that no longer knows that the radiator is hot ...

Make inquiry at your local auto parts store.

Posted on May 30, 2010

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  • Dodge Master
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If the coolant level is low,or there is air in the cooling system,the sensor will not send a signal to turn the cooling fans on,if the cooling system is full,and no air present,then change the coolant temp sensor,not the sending unit for the light,or gauge,

Posted on May 30, 2010

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