Hello I recently bought an Ai-net iPod cable for my older Alpine head unit in my car, because I'm absolutely tired of FM transmitters. This new cable works to play music from my iPhone 4 and sounds great. Problem is the charging is not supported since it used the old circuitry from previous iPods/iPhones. I've seen the circuitry converters, but I'd rather not spend the extra money on one, if I dont have to. My question is if I have an extra charge/sync cable, and I splice the dock connector from the extra cable in place of the old connecter on the audio cable will it work? I have knowledge of splicing wires together so thats not the issue, but I was comparing the two dock connectors together and I see that the number of pins in each one is different. The audio cable seems to have a pin connection at every spot, while the extra charge/sync cable I have only seems to have about six. I checked my old FM transmitter as well and it seems to have pins at every spot. I would just take that connection, but its not a cable. It's just a block that plugs into the ipod/iphone. Does anyone know if this splice will work or not? Or maybe just some other knowledge to contribute to the situation? Any help would be great. Thanks.