Hello everybody. I was about to cut my wired sensor bar cable to attach it to an DC power, but now i have a doubt. I tried with 2 candles, and the wii won't show the "selection hands" on the screen. So before i proceed, if i disconnect the sensor bar from the wii, but i give it power either by a 9volt battery, or by some connection to the electricity on my house, if i have done all fine, would it work? For sure? Or do i still need a second sensor bar connected to the wii? Thanks.