2021-2024 Genuine Original Factory GMC Yukon Gen5 Mk5 Also Called : Chevrolet Tahoe Full LED Precision Reflector Headlights LHD RHD Daul Bi-LED Headlamp Ballast (LED Light Control Unit / Module / Controller / ECU / Computer / Starter /Sation / Electronic Unit / Steuergerät /Inverter ) , LED Light Lamp Bulb , Front Light Lens Cover Broken , Replacement Sale

Part will fit : Driver side / Passenger side / Left / Light / Front(Fifth generation)

GMC Yukon GMT1YC : 4-door SUV

5.3 L (325 cu in) L84 EcoTec3 V8
6.2 L (378 cu in) L87 EcoTec3 V8 (Yukon Denali; Tahoe High Country)
3.0 L Duramax I6 engine turbodiesel

SLT , SLE , AT4, Denali

If your 2021-2024 GMC Yukon OEM Full Dual LED Projector Headlight low beam or Headlamp high beam have problems, like light failed failure, flicker , dipped beam very dim dimmer, getting dimmer, not working, flickering blinking , goes one and off , keeps going out , flashlight , making noise , not bright enough , not focused , stopped working , turning yellow and the dashboard displayer have warning light , error code , go up and down , moving up and donw , pointing down , distance control defective , malfuncation ,turning pink , not turning off , gone ping , turned purple ,turned pink , not bright enoug h , flashing . warning light ,not working properly , keeps burning out , have any other fault issues, you only need to change or replace related original led parts like: ballast, led bulb, control unit module , reflector , or wire harness cable to repair and fix your led light 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 LED 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.