Genuine OEM Volkswagen Battery Wiring Harness, part number 3QF971228H. This wiring harness serves as the primary connection between the vehicle's battery and the main electrical system, distributing power to various components. It is typically located in the engine compartment, connecting directly to the battery terminals. Manufactured with specific gauge wiring and robust connectors, this genuine OEM harness ensures reliable power delivery and electrical integrity. Proper fitment and material quality are crucial for preventing electrical faults and ensuring the consistent operation of the vehicle's systems.