Trailer wiring color code explanation. Some vehicles have a 5 wire system and you need to purchase a trailer light converter that adapts the trailers 4 wire system to the vehicles wiring system.
Kh 8710 Round 4 Pin Trailer Plug Together With 4 Wire
How to wire 4 prong trailer lights. 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. 6 pin connectors also exist but they are less common 1 4 wire the first 4 pins just like above and the 5th line goes to the brakes. Use a simple 4 way flat connector to power your 2 light trailer lights or use a custom vehicle specific trailer wiring harness. Trailers longer than 15 feet and heavier than 1500 lbs must have a brake system that means another circuit for hydraulic brakes. If any lights do not work properly check your connections. Has separate bulbs for lighting stop and turn signals both red.
The 2 added pins are for auxiliary power and back up lights. The 4 way system is designed so the right brake light wire and right turn signal are green. The most common wire thickness for a trailer is 16 gauge but i bought thicker wiring for added durability. Tow vehicle has amber turn signals separate. White ground wire. Depending on the size of your trailer and the number of lights you might want to check on the internet for the recommended gauge for your specific trailer.
Green right turn lightsbrakes. Do not seal anything with silicone until the wiring is completed to avoid scraping away silicone which is messy. Yellow left turn lightsbrakes. Buy a 4 pin wiring kit with wires at least twenty feet in length so its long enough for your trailer. I dont have a white wire coming out of my chevy 2006 pick up. Expanded use trailer with brakes aux power amp.
Back up lights 7 pin connector. Use a taillight converter to power your 2 light trailer lights or use a custom vehicle. 4 wire trailer light harness new lights wire cutters wire strippers split loop poly casing electrical tape soldering iron adhesive filled shrink tube drill center drill and drill bits. Though trailer lighting systems are available in an array of configurations the most popular is the 4 way system. Red black and blue are the three big wires then ther are five other i want to hook up a flat 4 prong hook up to my trailer which wires do i use my trailer connecter has four colors green brown white and yellow what goes where. Brown tail lightsrunning lights.
Gallery of How To Wire 4 Prong Trailer Lights
