PAC SWI-JACK Steering Wheel Interface Adapter Works with JVC, Alpine, Clarion and Kenwood radios with wired remote inputs. The SWI-JACK allows the customer to retain the use of their steering wheel or rear seat radio controls when replacing the factory head unit. The SWI-JACK also retains the use of heater control buttons on GM vehicles. The SWI-JACK features just can't be beat. The SWI-JACK controls Alpine, JVC, Kenwood, Clarion and Blaupunkt radios with a wired remote input. Assign the buttons on the steering wheel to any of the aftermarket radios available functions: Alpine: Volume Up, Volume Down, Mute, Track Up, Track Down, Preset Up, Preset Down and Band. Kenwood: Vol Up, Vol Down, Mute, Source, Seek Up, Track Up, Track Down, Disc Up/FM, Disc Down/AM. JVC: Vol Up, Vol Down, Mute/Power, Preset Up, Source, Seek Up, Seek Down, Select, Band. Clarion: Vol Up, Vol Down, Mute, Seek Up, Seek Down, Band, Source. The SWI-JACK is so universal that you only need one SKU# to cover over 95% of the vehicles made from 1986 to present. Never be stuck with a vehicle specific type interface. The SWI-JACK has non-volatile memory which keeps all programming in memory even if the vehicle Battery is disconnected. Great for convertibles Unlike the SWI-X, the SWI-JACK is not affected by sunlight.The SWI-JACK not only covers Ford, GM or Chrysler/Dodge but also it covers Acura, Audi, BMW, Buick, Cadillac, Chevrolet, Chrysler, GMC, Harley Davidson, Honda, Hummer, Infiniti, Isuzu, Jaguar, Land Rover, Lincoln, Mazda, Mercury, Mitsubishi, Nissan, Oldsmobile, Pontiac, Saab, Toyota and Volkswagen.