Crux Radio Replacement Interface For Select '03-12 Ford/lincoln/mercury Vehicles With Analog SwcCRUX Radio Replacement with SWC Retention for Ford, Lincoln & Mercury Vehicles 2003 2012 The CRUX SWRFD 60L is a radio replacement interface for select Ford, Lincoln and Mercury vehicles. It facilitates the integration of an after market radio to enable retention of certain factory features when replacing a factory installed radio and is also pre programmed for retention of steering wheel controls. Retains select factory features in vehicles while