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Troubleshooting Trailer Lights Not Working With A 2012 Nissan Pathfinder


The trailer lights for my 2012 Nissan Pathfinder are not working


Expert Reply:

In order to activate the tow package on your 2012 Nissan Frontier, a wiring harness like the Curt # C56225, or # C56226 (which includes the jumpers and relays) is what you need to use. If you have all the necessary relays, I would test the wires at the back of the harness connector with a tester like # PTW2993. I included a video resource walking through how this is done.

If your relays are missing or damaged, you will need a relay kit for your 2012 Nissan Pathfinder. For that, you will want to use the Curt Relay Kit for Nissan Aftermarket Tow Package # C57000. The blue relays included in this kit activate the turn signals and the brown relay activates the 12-volt power circuit.

If the vehicle side connector tests fine, then we know the problem is on the trailer. I've attached a link to our Wiring Troubleshooting FAQ which outlines the testing procedures to successfully identify the problem so you can have a better idea of how to resolve it.

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