POLICE TRAINER P&P Marketing - 1997 PINOUTS: Main Jamma Connector Solder Side | Parts Side ------------------------------------------------------------------ GND | A | 1 | GND GND | B | 2 | GND +5 | C | 3 | +5 +5 | D | 4 | +5 | E | 5 | +12 | F | 6 | +12 ------------ KEY ------------| H | 7 |------------ KEY ----------- | J | 8 | Coin Counter # 1 | K | 9 | L Speaker (-) | L | 10| L Speaker (+) R Speaker (-) | M | 11| R Speaker (+) Video Green | N | 12| Video Red Video Sync | P | 13| Video Blue | R | 14| Video GND | S | 15| Test Switch Coin Switch 2 | T | 16| Coin Switch 1 Start Player 2 | U | 17| Start Player 1 | V | 18| | W | 19| | X | 20| | Y | 21| | Z | 22| | a | 23| | b | 24| | c | 25| | d | 26| GND | e | 27| GND GND | f | 28| GND CN1: Left (Red) Gun Connector Pinout 1| +5 Volts - RED Wire 2| Trigger - White Wire 3| Ground - Black Wire 4| Gun OPTO - Blue Wire CN2: Right (Blue) Gun Connector Pinout 1| +5 Volts - RED Wire 2| Trigger - White Wire 3| Ground - Black Wire 4| Gun OPTO - Blue Wire CN7: Alternate Speaker Connector 1| Left (+) 2| Left (-) 3| Right (-) 4| Right (+) BrianT