16 June 2026

Motor won't start — can you find all 3 faults? 🔧

We fault-find a 12V DC motor circuit using a multimeter. A blown fuse, corroded switch contacts, and an open motor winding are all hiding in this circuit — here's how to track each one down.

🔍 The 3 faults:
• Blown fuse — full 12V dropped across it, reads OL on continuity
• Corroded switch — high resistance, big voltage drop across the contacts
• Open motor winding — 12V present at the terminals but winding reads OL

💡 Golden rule: always fault-find supply → fuse → switch → load

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Видео 16 June 2026 канала PICKETTECH