@novainfra7: The image shows an educational wiring diagram for an automotive 12V charging system, highlighting standard alternator terminal connections and their color codes. Alternator Wiring Color Code & Connections • Red (B+ Wire): Connects the alternator main output terminal to the Main Fuse and the positive terminal of the Battery. It carries the main electrical current to charge the battery and power the car. • Yellow (IG Wire): Connects to the Ignition Switch. It supplies switched 12V power to turn on the alternator's internal voltage regulator when you start the engine. • Blue (L Wire): Connects to the dashboard Charge Light. It completes the circuit to turn on the battery warning light if the alternator stops charging. • Green (S Wire): Connects to the Battery Sensor and the ECU / Charging Circuit. It senses real-time battery voltage so the system can adjust the alternator output. If you are working on your vehicle, let me know: • Are you trying to troubleshoot a specific charging problem? • Do you need help testing these wires with a multimeter?#AutoAcademyOffical #AutoRepair #CarMaintenance #IgnitionCoil #EngineParts

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Wednesday 07 October 2026 09:30:05 GMT