Hello to everyone.Almost year ago I bought a Grande Punto Evo car 2010 16v,Multiair without Blue&me socket above central ventilation slit and I want to buy one and after that whole navigation unit TomTom and holder.During my searches I realized that socket is self powered and Iask you if you know there is another socket or conector cable to conect to my unit and finaly to gps unit.Thank you for any help you may send.