actually ebay is good judt looke for pioneer brand made ones i got all my cables for my gps from there for my wife x920 worked great and cheaper than pioneer website or u can use amazon
Ok I have a f900 JUST UPDATED got some pix in my post but I have not tried updating my wife x920 yet ill wait and see if it messes up before I do that but its hard to find the x940 updates might not be out since its so new