Arial!!

just come back from a wedding up the bypass and the stereo cuts out don't think much of it get home and plug the head unit back in and the red light is flashing so i get out the car and notice that the elecy arial there is like a ticking noise coming from it which matches the lights flashing on the headunit power button  ive disconnected the battery just in case anyone have any ideas so i can have a look in the morning?

sorted the iso connecter at the back of the stereo was loose!! phew i was worrying for a bit