Smart Car Radiator Fan Relay

This shows the single relay on the back of pcb 3 and there are 2 relays over on pcb 4.

Smart car radiator fan relay.

If the fan is not turning in the right direction air will be blown away from the radiator and will not help to. A team performance electric cooling radiator fan relay kit with thermostat installation hardware wiring set 180 to 200 degrees temp sensor temperature switch 40 amp relay 4 2 out of 5 stars 70 14 99 14. By using a lower voltage signal to control the relay there is less stress on the rest of the wiring and charging system. If it is a on off sensor you can use it for your second rad fan or use the output to the existing fan to drive a relay and your add on.

Basically this circuit uses the very low impedance of the starter solenoid to provide a ground to the relay coil. If the car is hot the thermostat will switch on sending that 12 volts to one side of the relay coil. I was hoping you d notice this bill considering your recent additional rad fan topic. How to wire a relay for a radiator fan by don bowman.

In normal operation the 12 volts comes from the ignition switch to the thermostat. What do the relays power. Evilution the smart car encyclopaedia full of information for fixing and modifying your smart car. Truck rv car modification fan parts eelectric cooling radiator fan accessories.

It is a 25a fuse. Dual electric engine cooling fan wiring harness 185 165 thermostat 40a. Electric cooling radiator fan accessory w mounting feet car modification fan kit. When the correct parameters are met a temperature switch or.

The cooling fan relay takes the low voltage signal and internally switches the relay on to allow battery voltage to be supplied to the radiator cooling fan. The cooling fan relay is the relay that controls the engine s cooling fans. When installing an auxiliary fan or simply wiring the factory fan so that the driver can manually turn the fan on and off make sure the fan is turning in the right direction. Work in progress.