Feature●Works With 05-09 Ford Vehicles When Replacing A Radio. Retains Factory Subwoofer, Auxiliary Jack, And Rear Seat Entertainment. Vss, Parking Break, Illumination, Reverse And 12V Accessory Output.●Retains factory amplifier●VC output for easy installation●Radio Replacement Interface for Select 2005-up MSCAN-bus Ford, Lincoln and Mercury Vehicles●Enables factory features such as rear seat entertainment, rear controls, and the THXII amplifier when the factory radio is replaced●Also provides RAP accessory power output, vehicle speed, illumination, reverse indication output and parking brake ouput signal to allow easy installation of an aftermarket NAV system●Compatible with THX, SONY, Shaker and Audiophile sound systems in applicable vehicles. (v1.1.4 or higher required)Description Provides navigation trigger wires and timed accessory output for replacing the factory radio. Retains the factory installed amplified audio system and rear seat entertainment (if equipped). Use with a steering wheel interface module to retain function of all factory controls.