license plate light and the running lights are not working?

2017 TOYOTA TACOMA
100 MILES • 2.7L • 4 CYL • 2WD • AUTOMATIC
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ANTONIO12345
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My license plate light is not working and the running light is no working.
Dec 29, 2023 at 10:29 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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STRAILER
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The license plate and running light are controlled by the main body ECU which powers up the taillight relay through the tail fuse which both are located in the fuse panel on the left side of the dash. Here are the fuse and relay locations with guides to see how to test them. You might want to try swapping them out if you don't want to test them. Also, i have included the running light and license plate light wiring diagrams so you can see how the system works.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

The taillight relay is part of the fuse panel btw so it is not serviceable unless you open up the fuse panel. Check out the images (below). Please upload pictures or videos of the problem so we can see what's going on.

Dec 30, 2023 at 12:42 PM
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