3412 (PEEC) 40 PIN ECM CONNECTOR
Pin               Name
  1               Battery +
  2             Aux Circuit
  3            Low oil press
  4          Diagnostic lamp
  5       Derate from ATM press
  6                 Spare
  7             Spare sw in
  8           Primary throttle
  9            Cat data link +
 10               8 VDC +
 11                 Spare
 12                Crank
 13          Low boost press
 14          Low coolant level
 15         High coolant temp
 16             Spare sw in
 17           Idle / Rated swi
 18            Engine speed
 19            Cat data link -
 20            Coolant temp
 21               Battery -
 22          Solenoid ground
 23            Rack solenoid
 24             Spare sw in
 25             Boost press
 26          Coolant level sw
 27          Engine oil press
 28         Spare frequency in
 29            ATA data link
 30               5 VDC +
 31          Engine shutdown
 32             Spare driver
 33        Fuel shuttoff solenoid
 34         Atmospheric press
 35            Analog return
 36             Spare sw in
 37                 Droop
 38            ATA data link
 39           Spare analog in
 40            Rack postion