This 2003 Ford Mustang boasts a reliable and well-maintained electrical system that keeps everything running smoothly. The factory wiring harness is in excellent condition with no signs of corrosion or amateur modifications, ensuring consistent performance of all electrical components. All lighting systems function perfectly, including the distinctive headlights, bright tail lights, turn signals, and interior illumination that make night driving both safe and stylish. The alternator and battery provide strong, dependable power to support the sound system, air conditioning, and all electronic accessories without any flickering or dimming issues. The instrument cluster lights up clearly with all gauges working properly, while the power windows, locks, and mirrors operate smoothly every time. Whether you're cruising during the day or turning heads at night, this Mustang's electrical and lighting systems deliver the reliability and functionality you expect from a well-cared-for American classic.