#0010 Electronic Components: How to Test Relay with Multimeter | How to Check Relays
15:26
YouTubeElectronics Repair Basics_ERB
#0010 Electronic Components: How to Test Relay with Multimeter | How to Check Relays
In this episode of #0010 Electronic Components, you'll learn how to test any electromechanical relay using a multimeter like a pro. Whether you're dealing with automotive, laptop, or power supply circuits, this tutorial will help you detect faulty relays in just minutes. No guesswork, no complicated tools, just your multimeter and some real ...
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HOW TO TEST A RELAY (PROFESSIONAL METHOD) Today I’m teaching how to test an automotive relay step by step using a multimeter and 12V power. 🔹 Relay terminals explanation • 85 & 86 – Coil (control circuit) • 30 & 87 – Load (power circuit) 🔹 Testing procedure 1️⃣ Check coil resistance between 85 and 86 2️⃣ Confirm no continuity between 30 and 87 when relay is OFF 3️⃣ Apply 12V to the coil (85 & 86) 4️⃣ Listen for a click sound 5️⃣ Check continuity between 30 and 87 when relay is ON ✅ If it click
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HOW TO TEST A RELAY (PROFESSIONAL METHOD) Today I’m teaching how to test an automotive relay step by step using a multimeter and 12V power. 🔹 Relay terminals explanation • 85 & 86 – Coil (control circuit) • 30 & 87 – Load (power circuit) 🔹 Testing procedure 1️⃣ Check coil resistance between 85 and 86 2️⃣ Confirm no continuity between 30 and 87 when relay is OFF 3️⃣ Apply 12V to the coil (85 & 86) 4️⃣ Listen for a click sound 5️⃣ Check continuity between 30 and 87 when relay is ON ✅ If it click
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