AMERICAN SPEEDWAY COMP SIDE CKT SIDE --------- ---------- 1 GND 2 GND 3 GND 4 +5V 5 GND 6 7 GND 8 9 WHEEL 2B (BLUE CAR) 10 COIN A 11 COIN B 12 WHEEL 2A 13 WHEEL 1B 14 15 WHEEL 1A (RED CAR) 16 17 PEDAL 1 18 19 PEDAL 2 20 21 22 23 24 25 26 27 28 SYNC 29 VID RED 30 31 VID GN 32 33 VID BL 34 35 SPKR 2 36 SPKR 2 37 +12V 38 +12V 39 SPKR 1 40 SPKR 1 41 +5V 42 +5V 43 GND 44 GND