Electric Radiator Fan Wiring Diagram

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.

Electric radiator fan wiring diagram.

86 gray white wire goes to the ignition switch. It uses a 40 amp electric relay and electric fan sensor. 87 red wire connects to the positive wire on the electric fan. Electric fan relay wiring diagram wiring diagram is a simplified tolerable pictorial representation of an electrical circuit it shows the components of the circuit as simplified shapes and the capability and signal contacts between the devices.

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. 30 other red wire needs constant 12 volt power from the battery. Suggested electric fan wiring diagrams suggested primary cooling fan single speed on off using 12 volt switching devices only for primary activation note. The color coded diagram below will correspond with the wires on the relay kit to help simplify the wiring process.

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. 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. This will be the wire that connects your switch to your fan power wire.

Now take the power wire from your fan and connect it to the wire that is going through the firewall. So now we have a wire that goes through the engine bay to the cabin of your car. Most stand alone adjustable thermostats i e. 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.

Relays shown in these diagrams can provide options.