1997-1999 Genuine Original Factory Fit OEM Volkswagen VW Golf 4 Mk4 HID Xenon Headlights LHD RHD Headlamp D2S Ballast (Xenon Light Control Unit / Module / Controller / ECU / Computer / Starter / Electronic Unit / Steuergerät / Inverter ) , D2S Xenon Bulb Globes , 2pin Igniter Socket , Retaining ring Holder , Replacement Sale

Part will fit : Driver side / Passenger side / Left / Light / Front

If your 1997-1999 Volkswagen VW Golf 4 Mk4 Headlight low beam or Headlamp projector housing high beam have problems, like light failed failure, flicker , bad , dipped beam very dim dimmer, dimming , got wet , getting dimmer, not working, flickering blinking , goes one and off , keeps going out , flashlight , beam pattern problems , making noise , not bright enough , not focused , stopped working , turning yellow and the dashboard displayer have warning light , error code , color inconsistency , color temperature , go up and down , moving up and donw , pointing down , overheating , distance control defective , leveling malfuncation ,turning pink , condensation , not turning off , gone ping , turned purple ,turned pink , trasig , not bright enough , flashing . warning light ,not working properly , adaptive function failure , keeps burning out , retrofitting challenges , have any other fault issues, troubleshooting , you only need to change or replace related original led xenon parts like: repair tips , transformer ballast, xenon bulb, control unit driver module , reflector , glare shield , waterproof , igniter , or wiring wire harness cable to repair and fix your led headlamps is ok, no need to cost a lot of money to buy a whole brand new headlight assembly like the car dealer suggest.

Normally speaking, when your headlight have problem, check out the fuse first, if it’s ok, then replace the factory fit xenon control unit box ballast is ok, because from our many years experience, when the headlight not work, 90% of the problem is on the ballast.