That wiring at first I was like....
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Then you fixed it and now I’m like....
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Not saying you don’t, but even the most experienced detailers will skip waxing headlights and tail lights when performing an exterior detail on paint. Applying some wax will help protect the lenses from getting too hazy and weathered from the sun light. Of course black housings will get hotter than chrome housings. Chrome reflects the sun while the black attracts every bit of it.