It ensures that the energy intensive devices only run when needed usually when the vehicle is immobile.
Car cooling fan relay.
When the correct parameters are met a temperature switch or the computer will activate the relay which will allow power to the fans.
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When the engine temperature approaches unsafe levels the vehicle s computer or temperature switch turns on the cooling fan relay.
185 deg electric radiator engine fan thermostat temperature switch relay kit.
What does a cooling fan relay do.
The cooling fan relay is the relay that controls the engine s cooling fans.
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Christian picked up a painless performance electric fan relay kit with a thermostatic switch from speedway motors to control the electric cooling fan on his duster.
34 a cooling fan relay is used on vehicles that have an electrical fan to cool the engine.
The cooling fan relay takes the low voltage signal and internally switches the relay â œonâ to allow battery voltage to be supplied to the radiator cooling fan.
The activated relay completes a circuit allowing an electric current to flow through it and reach the cooling.
The function of the cooling fan relay is to convert a low voltage signal from either the electronic control module ecm or a thermostatically controlled sensor.