Keep your Factory Amplifier When Changing to an Aftermarket Headunit Steering Wheel Control Harness (SWC) adapters allow use of a vehicles factory steering wheel audio controls with an aftermarket source unit by converting the commands to a code that an aftermarket head unit can recognize. The AXADBOX1 & AXADBOX2 are an Auto Detect replacement data interface that retains many of the factory audio features on your vehicle when used with a compatible AD vehicle patch lead. Once you have your SWC harness selected to suit your specific vehicle, you then need to to select the secondary harness with patch lead based on the head unit brand and its connector. Features: Provides accessory (12 volt 10 amp) Retains analogue & digital fade Retains R.A.P. (Retained Accessory Power) Used in amplified, non-amplified systems, or digital amplified systems Retains chimes (in GM) Turn signal click (in GM) Provides NAV outputs (Parking Brake, Reverse, Mute, and V.S.S.) ASWC harness included (ASWC sold separately) Retains OnStar/ OE Bluetooth Adjustable gain control for overall volume (on amplified systems) Adjustable gain control for chimes and OnStar in GM Retains SYNC in Ford (if equipped) Adjustable gain control for SYNC (FORD) High level speaker input Micro "B" USB updatable Retains balance and fade (analog amplified systems) Retains digital fade (NON-THX systems only) Makes for easy D.I.Y. installation Vehicles Known to Work with this Product: Toyota Tundra 2007-2013 Volkswagen EOS 2007- Volkswagen Golf 2004-2009 MK5 Volkswagen Golf 2009-2013 MK6 Volkswagen Jetta 2006-2015 Volkswagen Passat 2006-2012 (wagon) Volkswagen Passat 2006-2015 Volkswagen Tiguan 2008-2014 Hummer H2 2003-2008 Hummer H3 2007-2009 Ford Fiesta 2008- WS, WT, WZ Ford Focus 2012-2014 LW, LWII Ford Focus 2008-2011 LV, LVII Chrysler 300C 2005-2007 Jeep Compass 2007-2008 MK Jeep Patriot 2007-2008 MK Jeep Grand Cherokee 2005-2008 WH Chrysler 300C 2008-2011 Chrysler Sebring 2007-2010 Chrysler Grand Voyager 2008-2011 Dodge Nitro 2007-2011 Dodge Avenger 2007-2009 Jeep Commander 2009-2010 XK Jeep Compass 2010-2016 MK Jeep Grand Cherokee 2009-2011 WH Jeep Grand Cherokee 2011-2013 WK Jeep Patriot 2009- MK Jeep Wrangler 2007- 2015 Lexus IS300 2001-2005 Lexus RX350 2003-2008 Volkswagen Polo 2006-2009 Fiat 500X 2014- Jeep Renegade 2015- Jeep Cherokee 2015- KL Volkswagen Caddy 2005-2015 Toyota Tundra 2014- Dodge Journey 2008-2011 Chevrolet Silverado 2007-2013 Complete your installation with a suitable Secondary harnesses HERE for a true 'Plug n Play' installation.