This is the Switch Harness for Futaba Radios with a J Style Connector. This Switch Harness Connects the Battery to the Receiver by way of an ON/OFF Switch. Time to switch things on and catch some wind under your wings! Futaba SWH12 Mini Switch Harness w/2 Pin Conn-J.
One Switch Harness w/One J and One P (BEC) Connector.