Electric Radiator Fan Wiring Diagram

Relays shown in these diagrams can provide options.

Electric radiator fan wiring diagram.

It uses a 40 amp electric relay and electric fan sensor. 86 gray white wire goes to the ignition switch. This will be the wire that connects your switch to your fan power wire. Suggested electric fan wiring diagrams suggested primary cooling fan single speed on off using 12 volt switching devices only for primary activation note.

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. 30 other red wire needs constant 12 volt power from the battery. Now take the power wire from your fan and connect it to the wire that is going through the firewall. 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.

The first part of the installation is to install the electric fan to your radiator and remove the mechanical fan. The cooling fan wiring diagram below is what we ve found to be the simplest and most reliable method. The color coded diagram below will correspond with the wires on the relay kit to help simplify the wiring process. Get the 10 gauge wire and place it through the hole in your fire wall.

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. For this set up we also used two of the speedway universal electric radiator cooling fan part number 910158 which comes in a 10 12 14 or 16 inch diameter. Hayden flex a lite or perma cool brands can provide a 12 volt output when activated. If the fan is not turning in the right direction air will be blown away from the radiator and will not help to cool the radiator.

So now we have a wire that goes through the engine bay to the cabin of your car.