Genuine OEM Volkswagen Wiring Harness For Alternator, part number 5Q0971230NQ. This wiring harness is responsible for the electrical connections to the alternator. It is located in the engine bay, connecting the alternator to the vehicle's power management system. Constructed with high-quality insulation and connectors to ensure reliable power transfer and signal integrity. Genuine OEM wiring harnesses are designed to meet exact electrical specifications for optimal charging system performance.