I have my Wii and Wii U right next to each other and they are both soft modded. I have a hard drive that is externally powered that is most of the time connected to my Wii U. But I sometimes connect it to my Wii when I play games that I'd rather use a GameCube controller on. So my question is if I buy a Y splitter and connect my hard drive to both my Wii and Wii U at the same time will it work? Obviously I won't have both systems on at the same time. Thank you.