Breathtaking Trailer Ground Wire

The marker lights are the amber lights on the sides of the trailer near the front.

Trailer ground wire. When the lamps are installed on metal that s in contact with the trailer. The trailer wiring diagram shows this wire going to all the lights and brakes. Also it must connect with things if included that use the aux power and back up lights too.

Make sure each light is properly grounded. Then drill a hole in the surface you want to attach the ground to. Next move on the the connector on the trailer itself.

Installing the ground wire and trailer marker lights the next step after installing the main harness was to attach the ground wire and install the marker lights. I had a ground issue on the pig tail that hooks to the trailer as well as a left tail light oul after i fixed the ground the left tail light was working. You will want to make sure you have a ring terminal like part dw05702 1 attached to the ground wire first.

Some are stud grounded on the mounting hardware others have ground wires. Make sure the surface is clean and free of any solvents grease or dirt and securely fasten the ring terminal with a sheet metal screw. The best way to secure a ground to a trailer or any metal surface is to do exactly what you described.

If your trailer frame is aluminum it may not be providing enough ground. The white wire is the ground or negative wire connecting to the vehicle battery minus side. Follow the ground wire and locate the point where it attaches to the trailer frame which is usually on the trailer tongue.

In which case you can add ground wires to the lights and bring them to one common ground that you can run up to the trailer connector. Make sure this connection is secure and not corroded.