A system for facilitating diagnosis and maintenance of a control networks on a mobile conveyance comprises one or more wireless ground stations configured to communicate over a wireless communication channel with the control network. At least several groups of actuators are individually controllable by the controller and to each actuator or each group of actuators is assigned at least one memory storage unit, which can store at least one parameter for controlling one or more actuators. The locking device further includes a flexible attachment cable having one end permanently attached to the steel plate and a distal end having an end fitting swaged thereto.