CD RADIO STEREO HEADUNIT ISO WIRING HARNESS LEAD ADAPTOR CT20VW04 This adaptor will enable you to replace your factory fitted head unit with an aftermarket model. It converts the cars power and speaker plug into a standard ISO connection, suitable for all aftermarket head units (Alpine, Clarion, JVC, Kenwood, Pioneer, Sony etc). You simply plug one end of the adaptor into your cars original wiring harness, and the other end into the new head unit. No cutting of wires is necessary. Fits vehicle models including: Audi A3 2005 - 2012 Audi A4 2005 - 2015 Audi TT 2006 - 2014 Seat Alhambra 2006 Onwards Seat Altea 2004 Onwards Seat Cordoba 2005 Onwards Seat Exeo 2009 Onwards Seat Ibiza 2008 - 2016 Seat Leon 2005 - 2012 Seat Toledo 2005 - 2015 Skoda Fabia 2007 - 2014 Connection: Quadlock (Fakra) Skoda Octavia 2004 - 2013 Skoda Roomster 2006 Onwards Skoda Superb 2008 Onwards Skoda Yeti 2009 - 2014 VW EOS 2006 - 2016 VW Fox 2005 Onwards VW Golf 2003 - 2013 VW Passat 2005 - 2015 VW Polo 2005 - 2014 VW Touareg 2003 - 2015 VW Touran 2003 - 2015 Please Note: Only for vehicles with Twin Fakra Aerial connector The above list of vehicles is a general guide and cannot be guaranteed in all cases.