Van's RV-12 Build: Wiring, Flight Control Sticks - EAA166 Hartford, Connecticut Watch in HD on YouTube! Share on Facebook! With the fuselage still accessible, it's time to lay in the main electrical and avionics system wiring harnesses. That portion of the interface also includes assembling the pilot and copilot control stick grips and radio transmit buttons. In this EAA166 build update, Larry Anglisano and Mark Welch offer a close look at the tasks from the shop floor at the EAA166 build hangar at the Hartford Jet Center in Connecticut.