This "Y" harness has a male Futaba "J" connector at one end, and a dual Futaba "J" type female connector at the other end. All of the servos we sell come with the male "S" type connector, and will fit this "Y" harness.
A "Y" harness is generally used to control two aileron servos with a single channel of the receiver.
This harness will plug into most receivers, including Futaba, JR, Spektrum, GWS, Cirrus, Blue Bird, Blue Arrow, Corona, Berg and Hitec.
The wire is 22 guage, and colors are: Red = battery positive Black = battery negative White = signal