Specific wiring kit for retrofitting a headlight washer system in the following vehicles: VW Golf 4, VW Bora, VW New Beetle, Audi A3 8L, Audi TT8N. Installation is very simple and takes minimal time. This wiring kit connects the high-pressure pump (engine compartment), the sensor, the central electrical connection, and the dashboard. Additional components required: Headlight washer system, washer system relay - please contact your local VW dealer (depends on the chassis number). Scope of delivery: wiring kit. Note: After installation, it is necessary to activate the headlight washer signal.