Might be possible using VBALink.
This is another way for transferring data from Golden Sun 1 to 2. When you load up Golden Sun 1 press and hold L + R before hitting start and there will be a new option "Send" available there obtain whichever password you want (Gold, Silver, or Bronze). And type it into Golden Sun 2.Itachi said:and what are you referring to when u said the "password system"