HELLA 5DS 011 104 031 Controller, towbar 12V

fits e.g. VW Polo (AW1, BZ1) (please check exact vehicle application) Check OE number: Activation required/with retaining strap HELLA trailer control unit manages indicators, brake lights, reverse lights, and rear lamps-ensuring full trailer lighting functionality. Built for durability-HELLA unit features short-circuit protection, plus resistance to dirt, vibration, and splash water. Compatible with all common lighting types, including LEDs and standard bulbs, for versatile trailer setups. CAN-networked system connects and monitors all trailer lights, with built-in diagnostics to detect failures and alert the driver.