The places to solder wires to it will be on the other side. If you post a picture of the other side, we can give you rough coordinates of where the wires attach. But here is what you are going to find: There will be long, thin lines that squiggle back and forth. At the very end of those lines, there will be big solder pads for heavy wires to provide the current. There will be a big solder pad on each end of the thin, long squiggly lines.