Solution for a 2021 Chevy Silverado That Has a Trailer Not Getting Power to the Lights
Updated 02/03/2026 | Published 07/14/2024
Question:
2021 Silverado 2500HD with trailer towing app. I cant seem to get the running lights to work on my on-bed truck camper the computer doesnt see a trailer attached. Should the 7-Way Trailer Adapter for Towing Trailers with LED Lights Item C57003 cause the trucks computer to enable the running lights to operate on the camper?
asked by: Randy J
Expert Reply:
Hey Randy, yes the 7-Way Trailer Adapter for Towing Trailers with LED Lights # C57003 should cause your truck to recognize that there is a trailer attached and send the appropriate amount of power so the lights will work.
Product Page this Question was Asked From
7-Way Trailer Adapter for Towing Trailers with LED Lights
- Custom Fit Vehicle Wiring
- Trailer Hitch Wiring
- Vehicle End Connector
- No Converter
- No Tow Package
- 7 Blade
- Plug and Lead
- Plug-In
- CURT
more information >
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Robin H.
2/3/2026
Hey Randy, did the 7-way adapter end up getting your Silverado to recognize the camper and power the running lights? Sharing how it worked could help others trying to get their truck’s lighting system to respond the same way.