Connect with I-PAC if necessary 9 Violet Button 7 NO Raw analog. Requires Particular firmware 10 Grey Button eight NO Raw analog. Requires special firmware The optional wiring harness has cut wire finishes which you can crimp appropriate connectors on to, to your pushbuttons. There is a single ground wire https://chancetwwwt.dailyhitblog.com/43680586/analog-joystick-can-be-fun-for-anyone