That would make the white wire the ground. And the third diagram using clearance lights.

Pair Led Lights Trailer Under 80 Tail Brake Boat Stud Mount Trailer Tail Stop Light
White vision led trailer lights wiring diagram. Also it must connect with things if included that use the aux power and back up lights too. One clearance light on each side and then one larger one at the back. Connect the trailer to the tow vehicle and have someone operate the light functions while. The license plate light would run off the parking lights known as the brown wire so you can pull the power supply from either side. A wiring diagram is a simplified standard pictorial representation of an electrical circuit. The trailer wiring diagram shows this wire going to all the lights and brakes.
While the basic configuration is a 4 way flat connector that features one female and three male ends you may come across connectors with up to seven pins for additional functions that require wiring including electrically actuated brakes power source for a winch etc. Crl14 series combination trailer lamp. Assortment of t8 led tube light wiring diagram. Crl20 series combination trailer lamp. Flexible strip led lighting. It is referred to as such as the system needs a mere four wires for the trailer tail lights turn signals and brake lights to illuminate.
I bought led lights for my trailer the ds has five wires black red white green bluethe ps has four wires black red bluei ran power from a battery to a circuit tester and hook white wire up to a grdi tried 12 volts to the colored wires buy no lights work. These too would run off the brown or parking light wiring same as the license plate light. Utility trailer 03 4 pin trailer wiring and diagram duration. Though trailer lighting systems are available in an array of configurations the most popular is the 4 way system. Complete with a color coded trailer wiring diagram for each plug type this guide walks through various trailer wiring installation solution including custom wiring splice in wiring and replacement wiring. If your vehicle is not equipped with a working trailer wiring harness there are a number of different solutions to provide the perfect fit for your specific vehicle.
It is likely that the red wire on your old lights is the turn signalbrake light wire and the black wire is the running light wire. Crl120 series combination trailer lamps. This describes how to wire a 3 wire led light for a tail light of a truck or car. The 4 way system is designed so the right brake light wire and right turn signal are green. Some trailer builders just connect this wire to the frame then connect the ground from all the other lights and accessories to the frame as well. Crl106 series combination trailer lamp.
You can verify this by testing the wires using a circuit tester such as 40376. Crl10 series combination trailer lamp. Lets see what types of connectors the trailer light wiring industry uses today. It shows the parts of the circuit as streamlined forms and also the power and signal connections between the gadgets.