Restoring Faded Factory Headlight Lenses of 1999 GMC Sierra 1500 – Telegraph

Start by washing the 1999 GMC Sierra 1500 led headlights and taping off surrounding paint to avoid scratches. Most restoration processes follow three stages: wet sanding, polishing, and sealing. Begin with 400–600 grit sandpaper to level the deepest oxidation and stone chips. Work in consistent left-right and up-down motions, keeping the surface wet to prevent deep scratches. Wipe clean and inspect—the lens will look uniformly dull, which is correct at this stage.
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