✅ 99% Testa Relé ERRADO! Veja o Jeito Certo

Your Future in Automotive Electrical Systems Starts HERE! 💰 Automotive Electrical Course → https://cursoeletricaautomotiva.com/ Many people replace relays unnecessarily because they don't know how to perform the correct test. In this video, I show in practice how to test a 4-terminal (4-pin) automotive auxiliary relay, identifying pins 30, 85, 86, and 87 in a simple and quick way. You will learn: ✔ How a 12V auxiliary relay works ✔ How to test the relay coil ✔ How to identify input and output ✔ How to test with a multimeter ✔ How to connect an auxiliary relay correctly ✔ Practical tips for automotive electrical systems This content arose from a real question from a student in the automotive electrical course. Learn also: ▶ How to Connect a Direct Starter    • ✅ Como LIGAR ARRANQUE DIRETO   ▶ Tips to Solve Electric Lock Problems    • ✅ DICA para RESOLVER defeito na TRAVA ELÉT...   ▶ Car Won't Start? Learn How to Test the Ignition Switch    • ✅ Carro Não Dá Partida? Aprenda Como TESTA...   ▶ Instrument Panel Won't Turn On? SEE WHAT TO DO    • ✅ PAINEL de instrumentos NÃO LIGA | Veja o...   ▶ HOW TO CONNECT THE ALTERNATOR PILOT LIGHT    • ✅ Como ligar LÂMPADA PILOTO do alternador   ▶ STARTER MOTOR MAKING NOISE    • ✅ Motor de Partida Fazendo Barulho   ===================================== LEARN AND CONNECT WITH ME: 💰 AUTOMOTIVE ELECTRICAL COURSE → https://cursoeletricaautomotiva.com/ ✅ STARTER MOTOR COURSE → https://cursomotordearranque.com.br/ 🔴 BEETLE ELECTRICAL COURSE → https://eletricadofusca.com.br/ 👉 BLOG → https://www.eletricaautomotiva.com/ 💙 Instagram→ / maikeletrica ===================================== 🧑‍💻 About Me Hi, I'm Maiquel Padilha, better known as Maik! An Automotive Electrical Specialist with over 20 years of experience, I believe in the transformative power of education and entrepreneurship. My goal is to help you master automotive electrical systems, whether to repair your own car or become a professional reference in the field. Everything here is done with great dedication and care. Warm regards!