For various Alfa Romeo cars that do not have an ignition power supply in the factory harness.This cable includes the power and speaker supply and provides an ignition supply from the cars CAN bus data system when the key is in the accessory position. PLEASE NOTE: For cars with steering controls use item 39-FIA-01 Vehicle Compatibility Alfa Romeo 147 (2001 - 2009) Alfa Romeo 147 GTA (2003 - 2005) Alfa Romeo 159 (2006 > ) Alfa Romeo Brera (2006 > ) Alfa Romeo Giulietta (2010 > ) Alfa Romeo GT (2004 > ) Alfa Romeo Mito (2009 - 2013) Alfa Romeo Spider (2007 > ) Vehicle Models: The years stated refer to the model's years of manufacture, please check the item description for information about any changes there may be within these productions years.