ISO HARNESS ADAPTER FITS A3 - 2005 - 2012 A4 - 2005 - 2015 TT - 2006 - 2014 A6 - 2004 - 2011 HALF AMP SYSTEM QUADLOCK FAKRA Description This adapter is required when replacing your factory fitted radio with an aftermarket radio. It will convert the original vehicle power & speaker wiring connectors to a standard ISO connector. Simply plug one end of the adapter into your cars wiring harness and the other into your new radio. *Note - New Radio Must Have RCA Audio Out Connectors Features & Benefits Plug and play, no cutting of wires required Converts car specific power/speaker connector to a universal ISO connector Please check the connections in the vehicle match the harness you are purchasing