CRUX Radio Replacement Interface for Select '03-12 Ford/Lincoln/Mercury Vehicles with Analog SWCThe CRUX Radio Replacement Interface is a specialized module that lets you upgrade the radio in select '03 12 Ford Lincoln Mercury vehicles without losing analog steering wheel control. Designed for owners who want a modern radio while keeping familiar wheel mounted controls intact. Compatibility: Works with select '03 12 Ford Lincoln Mercury vehicles that use analog steering wheel controls (SWC). Preserves Analog SWC: Maintains analog steering wheel