I wanted to control my lights using a Turnigy Receiver Controlled Switch. I think my wiring is correct (schematic below of my setup), because if I bypass the switch, the lights turn on. When I use the switch, it doesn't work. I know the switch is configured correctly because I have a servo I plugged into the receiver and it turns back and forth when I flip it. I am using a turnigy 9x transmitter and am using channel 5. I've looked at schematics of these online and found people are plugging in a BEC to power the receiver (nothing else is plugged into the receiver so the BEC makes sence to me). I do not have a BEC powering mine. My FrSky Receiver is powered by the APM. The reciever is putting out enough voltage for me to power and turn the servo but when I plug in the switch it doesn't work. This is where I don't know. Will adding a BEC over power the receiver or damage the things connected to it? How many volts are required to power the Turnigy Receiver Controlled switch? What am I doing wrong and why isn't this working?
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Update: I found the solution...I had a separate battery powering the lights. The switch and the receiver need to have a common ground for it to work.