Specific wiring for upgrading the original headlight washing system for VW Easy installation This wiring connects the central electrical system control unit to the high-pressure pump (engine compartment), the water level sensor (engine compartment) and the instrument cluster Components such as pump, sensor and hose will also be required Suitable for the following vehicles: VW Golf VI 6 VW Scirocco from model year 2010 Scope of delivery: Wiring Relay Notes: The HWS system must be activated via diagnosis (boardnet control unit)