Fitting aftermarket headunit into S3 with Bose
Hello there I have just bought a 2002 S3 with fully amplified Bose but as it is fitted with the standard Concert tape deck I wanted to install my kenwood headunit. After realising one of the connectors wouldn't mate up I purchased a PC9-408. I plugged it all in today however the radio is on but no sound comes out at all and when I take the key out of the ignition the headunit stays on?? Just wondered if any of you have come across this before?