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