There are some things you can check on the 2016 Nissan NV 3500 and P3 brake controller # 90195 to determine what the problem is. First, make sure the trailer is NOT connected to the NV. Next, you will need a circuit tester such as # PTW2992 or a meter if you have one.
First, set the brake controller to the maximum output level. Then have someone sit in the vehicle and operate the manual override lever on full while you test the pin in the 5 o'clock position in the 7-Way connector. It should... view full answer...
The trailer running light issue is not a fuse or relay problem. Because the issue is only when the vehicle lights are on, the ground wire connection is the issue. There are 3 places to check to solve this issue. The ground of the trailer wiring on the vehicle side, the main trailer ground connection to the trailer frame, or the tail lights at the mounting location to the trailer. Each of these connections need to be bare metal to metal free of corrosion, debris, and even paint. You... view full answer...
I can help you troubleshoot your issue on your 2015 Nissan NV3500.
First let me answer your question about the use of a converter. You will not need the use of a converter for the utility trailer, because the 7-way on the vehicle is already converted for use with all trailers.
The first thing I would do is use a circuit tester like # PTW2993 to test the functions on the 7-way and compare them to the 7-way diagram I've linked right here for your convenience. If all the functions are... view full answer...
Go To Results