Cooling Fan Relay Diagram

When the cooling fan relay gets its signal from the ecm the wiring diagram will typically resemble the following illustration.
Cooling fan relay diagram. The cooling fan relay is normally located in either the underhood fuse and relay center or mounted to the electric fan assembly behind the radiator. It uses a 40 amp electric relay and electric fan sensor. Published by saum hadi. Page 5 12v switched wire to green wire at.
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. When the correct parameters are met a temperature switch or the computer will activate the relay which will allow power to the fans. It basically runs two fans in series for low speed and then put s each. However two relays will divide the load and if a relay fails you will still have one fan running.
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. In the painless performance electric fan relay kit we got from speedway motors a circuit breaker is supplied if you wanted to safely get power directly from the battery. Radiator fan relay switch wiring electric override electrical diagrams how to replace a cooling fan relay on most vehicles 2002 dodge caravan cooling fan relay wiring 2016 grand 2006 ford escape fuse diagrams ricks auto repair. The cooling fan relay is the relay that controls the engine s cooling fans.
Primary cooling fan dual fans with dual relays single speed on off using 12 volt switched devices only for primary activation using dual relays for two fans is not required. The cooling fan wiring diagram below is what we ve found to be the simplest and most reliable method. You could use one relay. We opted to tap into our.
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. The relay will usually be activated once it is detected that the vehicle s temperature approaches excessively high temperatures.