Hello, you are purchasing:

(1) Space Duel to Black Widow control panel adapter (play Black Widow in a space duel cabinet using your Black Widow PCB and control panel)

Also required, but not included: Black Widow PCB and Control Panel

This harness allows you to connect a Black Widow PCB in your Space Duel cabinet and play Black Widow using a Black Widow control panel. Wire colors will vary.

Just plug your Black Widow PCB into your Space Duel machine and connect this harness between the control panel and main harness.