I am installing a JVC CD player into a '93 Accord with an anti theft system. I plugged everything in and the CD player powers up and plays CD's and everything seems to work fine... but there is no sound going to any of the speakers. Is this something to do with the anti theft system? Do I have to enter the code on the new CD player? Because the new players presets only go to 6 and there is an 8 in the code. Any help is greatly appreciated.