Electric Cooling Fan Relay Wiring

And if a relay fails you will still have one fan running.

Electric cooling fan relay wiring.

Next splice together both black wires from the relays tab 85 and connect them to the thermostat switch. Use a blade terminal for the relay and a barrel connector for the fan. However two relays will divide the load. It uses a 40 amp electric relay and electric fan sensor.

Primary cooling fan dual fans with dual relays single speed on off using ground switched devices only for primary activation using dual relays for two fans is not required. Start your wiring project by taking both of the positive wires from the fans and run them to the yellow wires on each relay tab 87. Finally run a fused constant power to both of the red wires on the relays tab 30. A relay kit our part number ccfkrl will include everything you need to properly wire up your electric cooling fans with the exception of additional wiring needed to complete all of the circuits.

You could use one relay. It shows the components of the circuit as simplified shapes and the capability and signal contacts between the devices. The first part of the installation is to install the electric fan to your radiator and remove the mechanical fan. Cut another piece of the 10 gauge wire long enough to go to the fan.

Then connect switched power usually from your ignition switch to the blue wires on both relays tab 86. Electric fan relay wiring kit schematic diagram 1 dual fans wire a3 hyundai radiator ricks free auto repair cooling faq gm trusted nissan altima gone balmoond19 volvo 850 engine volvotips ot 0845 sd thermostat 100s 81h bury seclon de electric fan relay wiring kit schematic diagram 1 wiring dual electric fans electric fan wire diagram a3 wiring hyundai read more. Use a female terminal on the other end and attach it to the switch terminal of the relay.