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Troubleshooting Trailer Clearance Lights Not Working  

Published 08/09/2023

Question:

2021 marker lights not working

0

Expert Reply:

If the marker lights of your trailer aren't working that means either the power or ground isn't making it to the lights. Check to make sure there's no issues with the wiring that runs to the lights and fix as needed. Some lights are designed to ground through the mounting hardware so if there's only one wire ran to the lights make sure it's connected to a metal portion of the trailer.

expert reply by:
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Jameson C

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