12/29/2023 0 Comments 7 pin trailer wiring with breakaway![]() ![]() Wiring gets a little more complicated when you tow larger or more sophisticated trailers. Improper wiring can lead to blown fuses, and in extreme cases, overheating of wires which can result in a fire in your vehicle. ![]() So, if you are a do-it-yourself wire person, please ask us for advice before doing your own wiring. In many cases, we must bypass the computer system when we wire a vehicle for towing so that the towing wiring doesn't confuse the vehicle's computer into thinking something is wrong with it's lighting system.Īgain, special converter units and wiring harnesses must be installed to alleviate this problem. We are also seeing more sophisticated computer systems being installed on vehicles nowadays. Required for some vehicles to avoid vehicle light circuit damage. Eyers Trailer Hitch Center sells and installs tail light converters and trailer light power modules to accomplish this.Īll trailer light power is routed through the tow vehicle's light circuits.Īll trailer light power is routed directly from the tow vehicle's battery via a separate power line. Tail light converters are required to connect a vehicle with a 5-wire system to a trailer with a 4-wire system. Most import vehicles and newer domestic vehicles have both a red brake signal and a separate amber turn signal (2 bulbs per side). Most trailers are wired to use a single red light for both the brake and turn signals (1 bulb per side). The law says that any trailer that protrudes 4 or more feet behind your vehicle or visually blocks your taillights must be equipped with it's own taillights, and your vehicle must have a connection to the trailer's taillights. Your qualified hitch installer will wire up your taillights, signals, and brake light functions into a special plug or connector in order to access the trailer's light systems.īasically, when you flip on your turn signal or push your brake pedal, the lights on the trailer must also signal your intentions to the driver behind you. The trailer lighting system must not be directly spliced into your tow vehicle lighting system. Special light and wiring systems need to be installed on your tow vehicle before you can tow any trailer.
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