E-flite J-3 Cub 25 ARF - Manual (Page 17)

 3. Secure the servo using the screws provided with
the servo. Repeat Step 2 for the remaining servo.
 4. Plug the rudder, elevator and speed control into
the receiver, as well as the aileron Y-harness.
Use hook and loop to secure the receiver in the
fuselage. Route the antenna wire through the tube
in the fuselage.
Note:.Do.not.cut.the.receiver.antenna.wire..
as.it.will.greatly.reduce.the.range.of.your..
radio.system.
17