HI This article is DIY installation instruction.First, this is the appearance of the box. After opening you will see this componentsA:Shield light emitting bodyB:Voltage controllerC:ScrewD:Light guide stripsE:Power cableBefore installing you must remove these button.After releasing the button. Then remove the large shield.And Remove the OEM small shield..This unit you must be especially careful to remove because it can be easily damaged.Then use the same way to install a small shield from Star Knight(A:Shield light emitting body) And then lock the light guide strips(C:Screw+D:Light guide strips)Please find on the headlight wiring..and pull out.Then the connection cable according to pictureVoltage control has covered 3M foam tape...

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