Are you looking to install a dual electric fan relay in your vehicle but not sure how to wire it up? Look no further! In this article, we will provide you with a detailed wiring diagram to help you get your dual electric fan relay up and running in no time.
Before we dive into the wiring diagram, let’s first understand the importance of a dual electric fan relay. Dual electric fans are essential for keeping your engine cool, especially in hot weather or during heavy-duty towing. The relay helps control the fans’ speed and ensures they turn on and off at the right temperatures.

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Next, you will need to connect the power source to the relay, typically from the battery or a switched ignition source. Follow the manufacturer’s instructions for the specific relay you are using to ensure proper connection. Then, connect the relay to the dual electric fans, ensuring the polarity is correct.
Additionally, you may need to connect a temperature sensor to the relay to control when the fans turn on and off based on the engine’s temperature. This sensor should be mounted in a location where it can accurately measure the engine’s temperature to prevent overheating.
Once you have completed all the necessary connections, double-check everything to ensure it is secure and properly insulated. Test the dual electric fan relay to make sure the fans turn on and off as intended. Congratulations! You have successfully wired up your dual electric fan relay.
In conclusion, installing a dual electric fan relay may seem daunting at first, but with the right wiring diagram and a bit of patience, you can easily tackle this project. By following the steps outlined in this article, you can ensure your engine stays cool and performs at its best, no matter the driving conditions.
Download and Print Dual Electric Fan Relay Wiring Diagram Listed below




