Major Havoc Pinouts P20 44 PIN CONNECTOR 1: GND A: GND 2: +5V B: +5V 3: C: 4: D: 5: E: +10.3V 6: Coin R F: Self Test 7: Coin L H: 8: Audio 1 J: 9: Audio 2 K: Coin Aux 10: L: Fire 11: GND M: GND 12: Sw. GND N: Sw. GND 13: P: Shield 14: R: Light 15: S: Counter L 16: Dir 1 T: 17: U: Clk 1 18: V: 19: W: -22V 20: X: +22V 21: +5V Y: +5V 22: -Sense Z: GND P19 20-PIN 1: A: 2: B: 3: C: 4: Red D: Red GND 5: E: 6: Green F: Green GND 7: H: 8: Blue J: Blue GND 9: X out K: X GND 10: Y GND L: Y out