This is a 9-pin JAMMA auxiliary harness used for the Power/Speaker/Sound connector from the DCS Sound Board to your Mortal Kombat II PCB. This cable is necessary for the sound in your Mortal Kombat II machine to work since it supplies the speaker connections, +12v and also +5v and -5v (plus grounding wires) for the sound board to function properly. This is exactly what you need if you have lost the original power cable or bought the board separately and it didn't come with any wiring.
Don't forget the ribbon cable! The other cable required for the DCS Sound Board to work is the (hard-to-find) 20-pin
ribbon cable for the sound data between boards. I provide that separatly since often you need one or the other.
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