What do the relays power.
Smart car radiator fan relay.
When the correct parameters are met a temperature switch or.
It is a 25a fuse.
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.
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.
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.
Most cooling fans use electric motors that have a moderate to high current draw and as a result are commonly controlled using relays.
The cooling fan relay is the relay that controls the engine s cooling fans.
Dual electric engine cooling fan wiring harness 185 165 thermostat 40a.
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.
How to wire a relay for a radiator fan by don bowman.
I was hoping you d notice this bill considering your recent additional rad fan topic.
Radiator cooling fan motor assembly fits smart fortwo 2008 2015.
In normal operation the 12 volts comes from the ignition switch to the thermostat.
Truck rv car modification fan parts eelectric cooling radiator fan accessories.
Basically this circuit uses the very low impedance of the starter solenoid to provide a ground to the relay coil.
Evilution the smart car encyclopaedia full of information for fixing and modifying your smart car.
This shows the single relay on the back of pcb 3 and there are 2 relays over on pcb 4.
By using a lower voltage signal to control the relay there is less stress on the rest of the wiring and charging system.
If the fan is not turning in the right direction air will be blown away from the radiator and will not help to.
Electric cooling radiator fan accessory w mounting feet car modification fan kit.