Newmar Rear 7 Pin Trailer Wiring Diagram. The first thing you need to do is make sure that your connector works properly. The thing is I have to go to the tail lights to make attachments.
Test each pin on the truck side for the lights not working on the trailer. These are the type of plugs used on car trailers and caravans. Although it can be daunting at first.
How to use: Insert the tester into the matching socket of the vehicle to perform functional tests on each circuit.
Test each pin on the truck side for the lights not working on the trailer.
The brown wire is attached on one side to the rear lights and market lights. The first thing you need to do is make sure that your connector works properly. With the right tools it takes very little time.