Brake Light 4 Wire Trailer Wiring Diagram Troubleshooting. Properly functioning trailer lights are a must for safety so check your lights every time you use your trailer. It is possible that one of the bulbs on your trailer burned out.
Also it must connect with things if included that use the aux power and back up lights too. Installing the 4 pin trailer wires. We ll walk you through the wiring process it s easier than you think.
The trailer wiring diagram shows this wire going to all the lights and brakes.
Some problems such as a burned out bulb or a bad trailer light ground wire can be a snap to fix others can be a real pain to diagnose and repair. This car is designed not just to travel 1 place to another but also to take heavy loads. 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.