Specific wiring kit for retrofitting a headlight cleaning system for VW Passat 3BG without encoder "Without encoder" version for the water level indicator For vehicles already equipped with a water level indicator This harness provides the connection between the high-pressure pump (engine compartment) and the central electrical system as well as the dashboard and ground In addition, the following components are required: Complete headlight cleaning system (pump, hoses, nozzles, etc.) Wiper water relay - obtain via vehicle data from a VW dealer Scope of delivery: wiring kit Note: After installation, the encoder signal for the wiper water level must still be unlocked (code 23)