High-amperage fuses protecting the charging circuit can blow, preventing current from reaching the battery. Safety and Security Warning

Modern vehicles often use sensors to monitor battery health, which can sometimes malfunction and send false signals to the ECU.

The core of the system that generates power while the engine is running to recharge the battery and run electronics.

Connects the battery, alternator, and other components to ensure current flow.

Stores electrical energy used to start the vehicle.