I have a 90 teg and i just got a new radio for it. It only works when i push the eject button it comes on for like 3 seconds then cuts off. When i push the display button it comes on for like 7 seconds then cuts off. The power button or no other buttons do anything. I thought the radio might be messed up so i took it back and got a new one and it does the same thing. Anyone know whats wrong?