Technical GPS port fuse

[Blueamigafan]

Hi the port on the dash board intended for the GPS has lost power I use it for charging my phone, does anyone know which fuse it is as I can't see it in my manual

 

[Blueamigafan]

Hi the port on the dash board intended for the GPS has lost power I use it for charging my phone, does anyone know which fuse it is as I can't see it in my manual

Forgot to say it's 1.4 Punto Evo 2010