Ignition/Tuner/ECM/Fuel InjectionNeed advice on ignition issues? Questions about a tuner? Have questions about a EFI calibration or Fuel Injection? Tips on Engine Diagnostics, how to get codes, and what they mean. Find your answers here.
anyone ever build one of these electrical system diagnostic breakout boxes to troubleshoot at home? If so, would be interested in the tech. specs for it and pictures.