Cannot get an electric brake controller to recognize when my 7-pin trailer plug is connected to the 7-pin receptacle on the vehicle. Trailer wiring is okay. Brake controller has also been checked. Brake controller gets power when connected to the factory-installed harness under the dashboard, but there’s no power to pin #7 at the back of the vehicle. There’s no continuity between the wire for the trailer brake under the dash and pin #7 at the rear. Nissan is unable to assist.

Whenever I was speeding and i press brake the wheel will be checking

The brake lights turn signals and hazard work but not my daylights. I replace the fuse and it keeps blowing it. What can be the issue.

Wife touched a wrench on the battery terminals and it gave a I-key system error. All windows didn't work in side dome lights or front lights worked. The brake like worked and it would turn on but thats it nothing else. After I've changed the key fob battery (nothing was bent inside the fob) changed the car battery and the positive battery fuse hook up. Windows worked finally and I was able to move the seat back. I tried to start but it gave the same error. I pressed the key against the button and it said a few times key not dected or incorrect key...I'm lost and so hoping I do not have to get this towed all the way to a dealer. Any tips tricks somthing?