An auto electrician is a specialized mechanic who focuses on the electrical systems of vehicles. Their job involves diagnosing, repairing, and maintaining electrical components such as wiring, circuits, batteries, alternators, starters, and electronic systems like ignition, fuel injection, and lighting. They use diagnostic tools and equipment to troubleshoot issues, interpret wiring diagrams, and ensure proper functioning of the vehicle's electrical systems. Additionally, they may install aftermarket electronic accessories and perform upgrades to improve vehicle performance and functionality.