Where do you put the battery wire in a trailer?
Once the wire is under the vehicle you will simply follow along an existing factory wiring harness or the frame rail toward the front of the vehicle or to where the battery is located. Use wire ties like those pictured, and included with some kits, to hold the wire up.
Why do you need a wire for a trailer wiring harness?
The power wire is required on trailer wiring harnesses for some vehicles because the electrical system on those vehicles cannot handle the amperage draw associated with trailer lights.
Where does the white wire go in a trailer?
The White Wire is the “Ground” or “Negative” wire connecting to the vehicle battery “minus” side. The trailer wiring diagram shows this wire going to all the lights and brakes. Also, it must connect with things (if included) that use the Aux Power and Back-up lights too.
How to routing power wire for a trailer?
After routing the wire, seal the hole with silicone sealant to keep out moisture and exhaust fumes. Once the wire is under the vehicle you will simply follow along an existing factory wiring harness or the frame rail toward the front of the vehicle or to where the battery is located.
Where do you put the wiring on a trailer?
Position Your Wiring. If possible, feed the wires through the hollow opening of your trailer frame in the front where the trailer attaches to the ball hitch on your vehicle. This helps protect them, and it looks better than wrapping them around the front of your trailer.
What kind of wire do you need for a trailer?
Buy a 4-pin wiring kit with wires at least twenty feet in length, so it’s long enough for your trailer. The most common wire thickness for a trailer is 16 gauge, but I bought thicker wiring for added durability.
How long does it take to wire a 4 way trailer?
Rather than inspecting the old wires that were already corroded and falling apart, I bought new 4-way trailer wiring and installed the electric myself. Installing 4-pin wiring on a trailer is an easy project that takes a few hours or less.
Do you need a 4 Way Plug for a trailer?
A 4-way plug connects your trailer and tow vehicle and provides the required running lights, turn signals, ground, and brake lights. Most of us aren’t electricians, but that doesn’t mean wiring a trailer or replacing corroded wiring is beyond us.