The electric cooling fan is utilized in modern vehicles to help draw in the air via the radiator so that the engine can maintain cool. The cooling fan relay is vital because it drives the engine's cooling fans.
Cooling fan relay significanceThe cooling fan is essential since it regulates the engine's cooling fans, but it is also activated when the correct parameter is met and it will allow power to the fans. The relay is typically activated once it has detected that the vehicle's temperature is getting too high. The relay controls when the fans turn on and off based on the temperature, so if the temperature is too high then it will try to remove as much heat as possible.
Common issues with a faulty cooling fan relayA faulty cooling fan can lead to the engine running hot, and not functioning properly, and the cooling fans will be switched on permanently.