I keep reading you post "3 plugs", which is why I was asking. You will have 4 plugs on the quad and if you have switching BEC's in your ESC's, then only one of the ESC's needs to supply power to the control board. You can simply remove the red wire from the other 3. In fact, you can do that to any of them. But again, you will have 4 plugs. I was just a little confused with you saying 3.