Wiring Diagram Cooling Fan Relay Switch

Most stand alone adjustable thermostats i e.

Wiring diagram cooling fan relay switch.

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. Suggested electric fan wiring diagrams suggested primary cooling fan single speed on off using 12 volt switching devices only for primary activation note. Hayden flex a lite or perma cool brands can provide a 12 volt output when activated. Check out part 1 on how to wire the fans up this video gives you an idea on how to make them work.

It shows the components of the circuit as simplified shapes and the capability and signal contacts between the devices. 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. It uses a 40 amp electric relay and electric fan sensor. Next splice together both black wires from the relays tab 85 and connect them to the thermostat switch.

Relays shown in these diagrams can provide options. Cooling fan relay wiring diagram manual e books electric fan relay wiring diagram wiring 3 speed fan switch wiring diagram august 30 2018 april 12 2020 wiring diagram by anna r.