Aftermarket Cooling Fan Relay Wiring Diagram

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

Aftermarket cooling fan relay wiring diagram.

Even though the iso relays are rated at 20 amps for this application experience has shown a large fan motor. Start with taking both of the positive wires from the fans and run it to the yellow wires on each relay. It uses a 40 amp electric relay and electric fan sensor. 87 red wire connects to the positive wire on the electric fan.

Suggested electric fan wiring diagrams suggested primary cooling fan single speed on off using 12 volt switching devices only for primary activation note. 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. 86 gray white wire goes to the ignition switch. 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.

You will then need switched power usually from your ignition switch wired to the blue wires on the relays. Hyundai wiring diagram radiator fans ricks free auto repair dual electric cooling fan faq relay kit schematic 1 12v 8 diddlhausen 659 c5 corvette resources 2002 dodge caravan library aftermarket ls1tech camaro and firebird modification volvo sd homemade circuit wo 3652 hyundai wiring diagram radiator fans ricks free auto repair wiring dual electric fans electric cooling fan faq read more. Or a single relay could be used to control both fans. The first part of the installation is to install the electric fan to your radiator and remove the mechanical fan.

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. Hayden flex a lite or perma cool brands can provide a 12 volt output when activated. This will be the wire that connects your switch to your fan power wire. The cooling fan wiring diagram below is what we ve found to be the simplest and most reliable method.

Just an idea on how to wire up electric cooling fans for your vehicle cooling fans. The color coded diagram below will correspond with the wires on the relay kit to help simplify the wiring process. Now take the power wire from your fan and connect it to the wire that is going through the firewall. Get the 10 gauge wire and place it through the hole in your fire wall.

Relays shown in these diagrams can provide options. Most stand alone adjustable thermostats i e. Then connect switched power usually from your ignition switch to the blue wires on both relays tab 86.