Where do you install a WPC 95 power tap? Kristin Browning-Mezel January 24, 2017 20:35 Updated Follow The power tap or adapter goes on the J140 connection on the backboard which is on the top left corner of the board. Utilize these installation instructions for more detail. Related articles Mezel Mods Power Adapter- WPC Which system does my game use? Where do I find installation instructions? Comments 0 comments Please sign in to leave a comment.