Genuine OEM Volkswagen Wiring Harness For Alternator, part number 3CN971230S. This wiring harness is essential for transmitting electrical power generated by the alternator to the vehicle's battery and electrical systems. It is located in the engine bay, connecting the alternator. The part weighs approximately 1.11 kg. Genuine OEM wiring harnesses are manufactured to exact specifications to ensure proper electrical conductivity and prevent system failures.