... Able to work together with original Mechanical Disc Box, arbitrary switch playing allowed· Charges iPod automatically and intelligently after connection· ... iPhone: 2G, 3G, 3GS, 4G>> Installation Steps1. Before installation, switch off the car electric power, take out the head unit ... the wire harness between YATOUR Adapter and iPod/iTouch/iPhone.3. Switch on the car electric power and run the Head ...