Response from Jonathan: If you just want to wire one microswitch push button for each function, check out our post on Wiring A Push Button as it talks a lot about this process. If you would like to combine the player 1 fire button and player 2 fire button and use one microswitch push button for both, the process will be pretty much the same except you will combine the wires for player 1 fire and player 2 fire and then connect them to your microswitch. Hope that helps.