Genuine OEM Volkswagen Tow Hitch Wiring Harness, part number 5NA092160L. This wiring harness is essential for connecting the tow hitch's electrical components, such as trailer lights and indicators, to the vehicle's power supply. It is located at the rear of the vehicle, connecting to the tow hitch assembly. Genuine OEM harnesses are designed with the correct connectors and wire gauge for reliable and safe electrical transmission.