Cooling Fan Relay Diagram

You could use one relay.

Cooling fan relay diagram. 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. It basically runs two fans in series for low speed and then put s each. When the correct parameters are met a temperature switch or the computer will activate the relay which will allow power to the fans.

When the cooling fan relay gets its signal from the ecm the wiring diagram will typically resemble the following illustration. Published by saum hadi. The first part of the installation is to install the electric fan to your radiator and remove the mechanical fan. However two relays will divide the load and if a relay fails you will still have one fan running.

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 normally located in either the underhood fuse and relay center or mounted to the electric fan assembly behind the radiator. 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. The relay will usually be activated once it is detected that the vehicle s temperature approaches excessively high temperatures.

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We opted to tap into our. 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.