The three servos 
      operating rudder, elevator, engine throttle are plugged into receiver connectors
      1, 2, 3 respectively. If transmitter rudder stick operated elevator servo, you
      would unplug one of three connectors and try another location until rudder
      responded properly. At other end of connector block is power input plug from 
      switch harness.
The three servos operating rudder, elevator, engine throttle are plugged into receiver connectors 1, 2, 3 respectively. If transmitter rudder stick operated elevator servo, you would unplug one of three connectors and try another location until rudder responded properly. At other end of connector block is power input plug from switch harness.