Once again ECS shows true dedication in product development for MKIV Golf / Jetta owners. This ECS Stage 2 leveling harness kit is a true plug-n-play option to get those leveling motors to operate using the included switch. One of the nicest features of German automobiles is the ability of adjusting headlight height from inside your driver's seat. Until now this was a some what complex job with internal headlight wiring needed. ECS Tuning makes this simple with dedicated harness's that make this modification a complete plug-n-play operation. Simply install leveling motors in headlights & connect the "power up" harness to your headlights run the trigger wire & install the leveling switch & you have leveling headlights what your German car should have come with from the factory.