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🔧 How to Test Bad Wiring Without a Diagram 🚛⚡ Suspect a wiring issue but don’t know where to start? Use a multimeter in continuity mode, if it beeps, the circuit is good ✅ Check each pin, confirm there’s no short to ground, and wiggle the wires to detect loose connections. Simple, fast, and no diagram needed. Do you want more ECM diagnostic tips? Follow for more 🔍👨‍🔧 #DieselMechanic #TruckECM #ECMDiagnostics #truckrepair | Oscar Truck ECM

Don’t Forget the Switches It’s important to carry the continuity of cpc test at every point including switches. Videos are training aids for City and Guilds (C and G) and EAL courses Level 1, 2 and 3. You can follow me day by day on Facebook, Instagram, Twitter and TikTok lookout for "GSH Electrical”. #GSHElectrical #Electricaltrainingvideos #switch #electrician #elctrical #cable #electricalwork #ukwiring #sparks #electricalwires #electricalwiring #electricaltesting #Electricalwiring #apprentice