Genuine OEM Volkswagen Wiring Harness For Alternator, part number 5Q0971230JL. This wiring harness is responsible for connecting the alternator to the vehicle's electrical system, facilitating the charging of the battery and the distribution of power. It is located in the engine bay, connecting to the alternator and other electrical components. This part has a length of 1.305 meters and weighs 0.562 kg. Genuine OEM wiring harnesses are manufactured to precise specifications, ensuring correct wire gauge, insulation, and connector integrity for reliable electrical connections and optimal charging system performance.