I have a large arcade cab w/ 33 inch monitor (used to be one of those Multicade type machines) which only had 2 8-way sticks and 1 4-way. The control panel I built has 4 8-way (7 buttons each player), 1 4-way, a Happs trackball, and an Oscar spinner, along with coin and start buttons for each player.I have an Ipac4, an Optipac, a J-pac and the Arcadevga card. The old harness is still in the machine. What I'm wondering is if I can wire everything through the Ipac4 (connected to the J-pac), only utilizing the monitor wiring from the old harness while leaving all of the other wires disconnected. Sorry if this is long and confusing. Thanks.