I'm gonna go with the One Clik style multi servo connector. When you have as many as 3 or 4 servos or whatever in a removable wing, these things are lifesavers.
Multi-Servo Harness for 3 Servos, by Thunderbolt RC, from Thunderbolt RC, tb-msh12-3 - Chief Aircraft Inc.
EDR-102 One-Clik Multi-Connex