where is radio fuse on fiat punto

try the fuse box

in the fuse box. there is a picture showing u which one is the radio

There is a small 2amp fuse inside the radio.

There are two fuses one at the back of the radio (this one does not normally blow) and one in the main fuse box which is located on the driver is side, just below the dash you have to withdraw the two screws from the cover and then you be able to see the fuses which are all described for their function.