A vehicle's electrical system is a crucial component that powers and controls various functions in modern automobiles. It comprises a complex network of wires, batteries, alternators, starters, and numerous sensors and electronic components. The electrical system is responsible for starting the engine, providing power to essential systems like lights, air conditioning, and entertainment, and managing safety features like airbags and antilock brakes. Moreover, it plays a key role in fuel efficiency and emissions control. Advanced vehicles also incorporate cutting-edge technology for hybrid and electric propulsion. The reliability and functionality of a vehicle's electrical system are essential for a safe and comfortable driving experience.