Abstract: A control assembly and process for producing same wherein an operating cable having a steel wire core is connected to a drive member, especially for motor vehicle sliding tops and window raising devices, that is made of plastic and has a sleeve formed thereon in which the core is secured by ultrasonic welding. In accordance with a modified embodiment, clamping rings are pressed onto the core on both sides of the sleeve providing tension and shear resistance to the connection of the sleeve and core, torsional forces being resisted by the ultrasonic welded connection.