White ground wire. Trailers longer than 15 feet and heavier than 1500 lbs must have a brake system that means another circuit for hydraulic brakes.

Trailer Brake Light Kit 4 Round Incandescent With Grommet Amp Wiring
Wiring tail lights on a trailer. 8 116 long x. To trailer or attach with adhesive backing 25 wiring harness with 4 pole connector dot approved pc rated specs. This incandescent trailer light kit comes with everything needed to properly light your trailer. Please see the trailer wiring diagram and connector application chart below. Green right turn lightsbrakes. Wiring trailer lights can be a big task and you want to get it right.
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. Yellow left turn lightsbrakes. White ground wire. Trailers longer than 15 feet and heavier than 1500 lbs must have a brake system that means another circuit for hydraulic brakes. Brown tail lightsrunning lights. The rest you can ignore.
Trailer wiring color code explanation. The 4 way system is designed so the right brake light wire and right turn signal are green. Brown tail lights side markers and running lights see brown wire notes below 3. Brown tail lightsrunning lights. Yellow left turn signal left brake light 4. Learn step by step how to wire trailer lights in no time with this tutorial.
2 tail lights 2 amber clearance lights 2 amber reflectors license plate bracket 25 wiring. Green right turn signal right brake light. Green right turn lightsbrakes. Trailers over 80 wide tail light dimensions. Though trailer lighting systems are available in an array of configurations the most popular is the 4 way system. The 4 pin connector only has the first 4 items listed.
Trailer wiring color code explanation. Yellow left turn lightsbrakes.