If you can tell me the (e.g., Motec M130, Haltech Elite 2500) and the engine type you are working with, I can provide a more tailored overview of the typical pinout challenges and requirements. Share public link
The final stage is producing a pinout spreadsheet or drawing. A robust pinout document should include: Pin Number/Letter Wire Color Connector Cavity Identifier Key Considerations in ECU Pinout Design ecu design pinout work