97 accord w/stock radio and honda cd player which i installed. both have worked fine for years. one month ago suddenly there were problems... 1) sporadically lose fm reception and hear only rumbling static. this lasts several minutes then reception returns. 2) hear a monotone buzz during am, fm or cd. this is also sporadic. only other input is that vibration does not seem to be the cause.

 

http://www.crutchfield.com

I just picked up the Sony GT410U and four Sony speakers for $205 total (including kit, harnesses, and adapters). This was for my '95 Camry LE.

Or if you really want to, pull your radio out and make sure the antenna is securely connected.