The cooling fan wiring diagram below is what we’ve found to be the simplest and most reliable method. Simple fan relay wiring the above image is a very simple and basic fan wiring diagram. Unique Wiring Diagram for Electric Fan diagram If fan started, reattach the green wire to the proper (+) wire on the a/c clutch or manual switch. Electric fan relay wiring diagram . Thanks go to bob wilson (volvodad on brickboard) for contributing to these differences. It reveals the parts of the circuit as simplified forms, and the power and signal connections in between the gadgets. It contains directions and diagrams for different varieties of wiring strategies and other things like lights, windows, and so on. By saum hadi posted on july 26, 2018. Or a single relay could be used to control both fans. When you make use of your finger or stick to the circuit together with your eyes, it may be easy to mistrace the circuit. Electric fan relay wiring kit schematic diagram 1 dual f...