Outstanding Trailer Light Hook Up

Too much paint dirt or rust can cause bad grounds so make sure the ground is secured to the bare metal frame.

Trailer light hook up. To determine how to wire up trailer lights you need to know whether your vehicle has a factory installed trailer package and whether a plug and play t connector is available for it on the market. Wiring trailer lights can be a big task and you want to get it right. Use one of the connectors provided in the kit to hook up the new and old wire.

The fifth wire blue is meant for reverse lights. This connection is needed to disconnect the hydraulic trailer coupler or actuator when the vehicle is backing up thus deactivating the brakes on a trailer. Drill the hole for the grommet using the step drill.

If there is not a white ground wire coming out of a trailer light then the light is grounded through its mounting studs. This is the best case scenario you ll only need to buy the. On your new light it sounds like the green wire is turn signal brake light brown is running light and it grounds through the mounting hardware.

Install the grommet and pull through the wire. Each light has it s own ground shown by the white wire that connects directly to the bed on the light brackets. Pull out the old wire while pulling the new wire on through.

Trailers longer than 15 feet and heavier than 1 500 lbs must have a brake system that means another circuit for hydraulic brakes. If your vehicle came prewired for towing it may have a factory trailer harness connection uscar connector in the rear bumper. Learn step by step how to wire trailer lights in no time with this tutorial.

Remove the front cover to attach the wires. The next step is to connect the new lights. Connect the trailer to the tow vehicle and have someone operate the light functions while you test the wires.