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Troubleshooting 12V Circuit on 7-way Trailer Connector on 2016 Nissan Frontier  

Updated 06/11/2020 | Published 06/09/2020

Question:

I have a 2016 Nissan Frontier and I installed a 7-Pin connector. I have power to 6 pins, but no power to 12 volt charge pin. Any ideas?

1

Helpful Expert Reply:

The first thing I'd check is that the brown relay is fully pushed into the socket of the fuse block between the battery and the firewall as shown in the provided photo. If the relay is fully seated, then check the main fuse panel under the hood, the underside of the lid should have a legend on it that lists the fuse locations and what circuits each protects. Look for a location listed as 'trailer tow' or 'trailer 12V', which should be a 20-40 amp fuse. Make sure a fuse is installed in that location.



expert reply by:
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Mike L
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