Hello, (sorry for English)
I want save my original radio in the car and search way to get AUX for external signal.
My radio is Philips 22dc594/35x and have CD Changer Philips DC022.
There are several ways:
1. FM Transmitter (loud noise, no good) click
2. MP3 cassette click
3. XCarLink (not supported with XM) click
4. Dension ice Link ONE (high price) click
5. AUX on mainboard click
6. AUX on CD Changer cable (must have CD Changer)
Maybe I stop on number 6. It's easy and cheap.
Radio and CD Changer speak their language (protocol).
This is DIN connector:
As you see, he has L/R audio signal, but open only when communicate with CD changer.
I think if you make a bridge between radio and CD changer I lie it. But to work can write "silent CD" and turn on to REPEAT mode.
What do you think? :)