Holley Terminator X Resources
Terminator X I/O
These are your factory ECU pin out and color. Pay attention to what color/pin you are wiring what to and write it down.
Inputs can receive ground or 12v or 5v ref for sensors.
Outputs can only GROUND trigger.
Holley CAN IO Pinout
Enlarged so you can actually read it, Every Input or Outport corrisponds to the Pin Number.
This is a little confusing when setting up in the Terminator Software but is do able. See Can IO video for further explaination.