Suitable for various Sony Aftermarket Headunits with 16 pin connectors, APP8SP is a Secondary ISO Harness that converts the aftermarket headunit plug into a universal double ISO connector system. For a simple plug and play installation of your aftermarket headunit into your vehicle, pair this harness with an Aerpro Vehicle Specific Harness; APP Series Primary ISO Harness, Steering Wheel Control Interface or Infodapter and the two looms will connect together via the ISO connector system. * Please Note: - Harnesses vary between headunit models, to find the correct harness for your headunit, use the Aerpro Headunit Selector. - Depending on the vehicle and aftermarket headunit, installation may not be completely plug and play, a small amount of hard-wiring may still be required to complete the installation. Aerpro Wiring Harness - suit Sony Head Units up to 2012, APP8SP