does this cable exist?

[Natesac]

I am looking to put together my own car solution for my 3g. I have found a mount I can live with for now. but I need a cable that is a dock connector on one end and usb(charging) and L & R audio out(rca).

Does such a cable exist?

 

[auggie2k]

It sure does!

http://www.comparestoreprices.co.uk...od-usb-sync-&-charge-cable-with-audio-out.asp