I have an 05 GT built in June 05. It has the Shaker 500 system. Recently it has started to have some kind of problem with the radio. It is an intermittant problem. With the car running, I try to turn on the radio and it does not go on. The clock display also does not show. I then shut off the car, restart it, and the clock displays and the radio works. This does not happen very often. It usually works like it should. Anybody had this issue? What could be causing the issue? I really do not want to replace the Shaker 500. For as much as I use it, it is a good enough audio system for a car. Just wondering what could be causing this, and if you had this problem how did you fix it. Thanks for any helpfull info!