The reversing lights on my Skyline were driving me NUTS!  over the years it had spent in Japan the light lenses had turned yellowy GROSS!

This is a common thing with import cars & some old cars. something to do with whats in the air & what the plastic absorbs when it expands & contracts etc.

 

Ok the things you will need to do this

800G wet & dry sand paper

1200G wet & dry sand paper

Metal Polish – like Brasso

Mentholated spirits or rubbing alcohol

 

Take any electrics out of the lights.

Grab a bucket with some water in it with your 2 types of sand paper.

Start with the 800G make sure you wet the paper & the light before sanding.

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You will see all of the yellow gunk has pretty much already come off.

Once you get similar results as this switch to the 1200G

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Once you’re happy with how the light is looking rince it off

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Now comes the polishing part

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Go crazy with polishing so you get a nice clear finish

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Now clean the light with the Mentholated spirits or rubbing alcohol

If you got any water inside the light pour some inside the light & give it a good shake & then poor it out. the Mentholated spirits or rubbing alcohol will evaporate any moisture in there.

& you’re done!

 

Here is a few comparisons

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Before & After

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