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Tip for Allowing Round Clearance Light to Fit into Grommet Easier  

Updated 07/30/2026 | Published 02/07/2022

Question:

I’m trying to put round trailer lights back on my trailer and am having a terrible time doing so. I watched the videos and read the instructions on your site. The rubber grommet goes in easy but I can’t get the light to go. Please Help

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Expert Reply:

Getting lights like the # MCL50RB to slip into the grommets can be difficult but one trick that works well is to put soap in the grommet to allow to slip in easier.

expert reply by:
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Jameson C
Mark profile picture

Mark

7/30/2026

I installed the grommet. Then soaped the grommet and started it by twisting to the right and applying pressure. Once it locked up to where I could no longer twist it, I used a C-clamp with some scrap boards to finish pushing it in.

Jameson C. profile picture
Etrailer Expert

Jameson C.

7/30/2026

@Mark that's the way to do it!

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