Radiator fan motor relay. Others include the fan motor, temperature sensor, and control module. May 7, 2024 · Most cooling fans use electric motors, that have a moderate to high current draw. Oct 17, 2023 · The cooling fan relay is usually mounted to the electric fan assembly behind the radiator or the underhood fuse and relay center. So, using a cooling fan relay, solves this problem. Mar 29, 2024 · The Cooling Fan Motor Relay is an electrically operated switch that turns the coolant fan motor on and off, as commanded by the Engine Control Module or Powertrain Control Module (ECM/PCM) or, in older vehicles, the coolant temperature switch. Diagnosing involves testing the relay with a multimeter. Find our best fitting relay - radiator cooling fan motors for your vehicle and enjoy free next day delivery or same day pickup at a store near you! Aug 12, 2024 · A faulty cooling fan motor relay can lead to engine overheating and inconsistent fan operation. Among these components, the one with the highest tendency to fail is the relay switch; that’s true. Aug 29, 2025 · The cooling fan relay is an electromagnetic switch that controls the power supply to the engine’s cooling fans. Without it, the cooling fan won’t work. The cooling fan relay takes the low voltage signal and internally switches the relay “on” to allow battery voltage to be supplied to the Shop for the best Radiator Fan Relay for your vehicle, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. When the correct parameters are met, a temperature switch or the computer will activate the relay, which will allow power to the fans. The relay is the component that fails most often, so be sure to test the relay as well as its power supply and ground connections. Mar 23, 2023 · Cooling Fan Circuit Problems While the cooling fan relay plays an important role, it’s not the only component in the cooling fan circuit. A faulty relay can be caused by a bad relay control module, ants in the relay, or an electrical short. Aug 8, 2016 · A cooling fan relay is used on vehicles that have an electrical fan to cool the engine. Apr 10, 2024 · Common Symptoms of Relay Failure If your vehicle’s cooling fan relay is failing, you may notice several common symptoms indicating potential issues. Symptoms include a non-functioning fan and a blown fuse. To check for a faulty relay, you can swap relays The typical electric cooling fan circuit includes a temperature sensor, a relay, a control module and the fan motor. To replace your automotive cooling fan relay, you can use one of the following methods: Jan 5, 2016 · The cooling fan relay is the relay that controls the engine’s cooling fans. . It is typically located in either the underhood fuse and relay center or mounted to the electric fan assembly behind the radiator. Get the job done with the right part, at the right price. Mar 21, 2023 · The cooling fan relay is a key component in the cooling system of your vehicle. Replacement is simple and crucial for maintaining optimal engine temperature. Shop for the best Radiator Fan Relay for your vehicle, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. Without the radiator fan, your engine can run hot and be at risk of overheating. Engine overheating, poor air conditioning performance, and the fan running continuously and draining the battery are all signs that your relay may be faulty. The function of the cooling fan relay is to convert a low voltage signal from either the electronic control module (ECM) or a thermostatically controlled sensor. gkqnmou uuije pbek bjxb oyghpbc gbwf cyv ezifl swex shxers