нашел распиновку оригинального разъема ipod Pin Signal Description
2 GND Audio ground
3 Right Audio right channel
4 Left Audio Left channel
12 Tx ipod sending line
13 Rx ipod receiving line
11, 21 Serial enable short pin 11 to GND (pin 30) and connect pin 21 by 500 KOhm resistor to GND in order to enable serial communications
19,20 +12V Charging input
29,30 GND которые провода идут на usb?