This shows the ground wiring overlayed on the previous picture. There is one ground coming from the power supply (white), Then there are five grounds coming out of the terminal block. Red goes to the LEDWiz. Purple goes to the iPAC. Green, yellow, and blue go to three groups of buttons. Green goes to the right hand pinball buttons, plunger button, and all player two buttons, including credit, coin and pause. Blue does the same thing for the player one buttons (minus the plunger). And Yellow goes to the two buttons next to the spinner. The +5 power is the red wire that goes up to the terminal block at the top. It then is distributed to all of the LEDs.

Arcade Odyssey - WiringDiag01.jpg
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