Connect to I-PAC if necessary 9 Violet Button 7 NO Uncooked analog. Requires special firmware 10 Grey Button 8 NO Raw analog. Involves Unique firmware The optional wiring harness has Lower wire finishes which you can crimp acceptable connectors onto, in your pushbuttons. You can find a person ground wire https://joystick-controller38124.nizarblog.com/38476276/5-tips-about-joystick-controller-you-can-use-today