This installation is designed to for most trailer connector four wiring situations. To connect trailer lights to vehicle you just need to unplug the tail lamp harness and plug in the new makemodel specific harness between the vehicles original wiring harness and the tail lampssuch harnesses usually hook directly to car battery eliminating the need to add extra load to the electrical system.
See tips for vehicles which may have a five wire tail light system.
How to hook up trailer lights. To do so you will need to check the connector and wiring from the vehicle to the trailer. This process addresses the proper wiring instructions for a vehicle using a four way connector. Wiring trailer lights can be a big task and you want to get it right.
How to wire your car or truck for trailer lights by julie duncan. Learn step by step how to wire trailer lights in no time with this tutorial. By law trailer lighting must be connected into the tow vehicles wiring system to provide trailer running lights turn signals and brake lights.
If you have recently purchased a trailer electricity will eventually become a question youll need to answer as in how do i connect my trailers lights to my tow vehicles lights. Though trailer lighting systems are available in an array of configurations the most popular is the 4 way system. Lets see what types of connectors the trailer light wiring industry uses today.
Various connectors are available from four to seven pins that allow for the transfer of power for the lighting as well as auxiliary functions such as an electric trailer brake controller backup lights or a 12v power supply for a winch or interior trailer lights. It may seem obvious that your trailer has tail turn and brake lights at the rear which need to operate in sync with your cars lights. Simple way to install tail light on a trailer.
Four wire trailer light connectors the typical type of connection used for pulling small to medium boat trailers and small utility trailers. The 4 way system is designed so the right brake light wire and right turn signal are green. To legally tow a trailer vehicles must be wired for 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. The installation should. This is accomplished by tapping into the tow vehicles electrical harness to transfer power to the trailer wiring system.
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. The easy and right way to install the harbor freight deluxe 12 volt trailer light kit 62490 duration.