Need Help to Start Your Detroit? Check the ECM voltage supply! ⚠️ Is the truck not starting? Don't jump to replacing the ECM just yet! This quick tip shows you how to diagnose a potentially damaged Detroit Engine Control Module (ECM). Symptoms: Engine won't start, the diagnostic scanner can't connect. First, rule out fundamental issues: ✅ Power: Confirm 12v on both power and ignition wires (red = , black = -). ✅ Ground: Verify good ground connection. ✅ Connection: Ensure the communications adapt

🛠️ Inspecting a Detroit DDEC 3 ECM. This module was sent for repair but couldn't be fixed. 🛠️ Issues: the lid is loose, a part is missing, and there’s significant trace damage. 🔍⚡We’ll remove the damaged section and inspect the board to see if it’s still reliable. Remember, a faulty ECM can leave you stranded. 🚛💥Got questions about Detroit, Caterpillar, Cummins, or PACCAR ECMs? Drop them in the comments! 👇Follow me for more ECM insights. ✨ #caterpillar #truckmaintenance #trucks | Oscar Tru