Welcome to the Nissan Patrol forum. To post a question and to see less adds on the forum then you will have to register
first. We are an easy going friendly forum so join in the conversations and feel free to ask any questions.
Become a forum sponsor for only $20 and see no adds with faster page loading times and many extras benefits.
Take your radio out and hook it up to a battery, an antenna and try it out. Use a knockometer on the unit and the cables. That way you can rule out an internal fault.