The cooling fans only come on when the temperature sensor is unplugged?

This happens when the engine coolant sensor needs to be replaced. Here is the location so you can swap it out. Also, here is a generic guide to help you step by step with instructions in the diagrams below to show you how on your car.

https://www.2carpros.com/articles/coolant-temperature-sensor-cts-replacement

Check out the images (below). Let us know what happens and please upload pictures or videos of the problem so we can see what's going on.