#Seven pin trailer connector cracked
#Seven pin trailer connector drivers
#Seven pin trailer connector code

Either way, there will be a couple of screws holding the plug together. The end of the plug with the slots will pull out of the body of the plug, our the plug body will split down the middle. Plugs will generally come apart in one of two ways. The first step is to disassemble the plug so you can access the wires inside. Replacements plug bodies are available for the male and female sides, and the process is the same for both.

#Seven pin trailer connector cracked

If the wiring is all in good condition, but you have a cracked or corroded plug, replacing the plug body is a quick and easy job. As with all electrical projects, the first step is ensuring there is no power to the wires you’re working on. The tools necessary for this task are things all RVers should have on hand, screwdrivers and a set of wire strippers/cutters. If you are adding a 7-pin plug where one doesn’t exist, this is a much more involved job. Wiring a 7-pin trailer plug is an easy DIY project for RV owners replacing a damaged plug with a new one. Trailer plugs can get pinched, become corroded, or have wires come loose, all resulting in needing to rewire the plug. Remember, each pin has a function that will be the same on all RV plugs, but the colors may change. So, confirming the colors when troubleshooting electrical issues or wiring a new plug is important.

#Seven pin trailer connector code

Not all manufacturers will use the same color code as below. This charges your RV house batteries while you drive and allows you to run your fridge on 12-volt DC power while underway. The auxiliary wire in the 7-pin plug is connected to the tow vehicle’s 12-volt charging system. Simply having your tow vehicle connected to your RV with a 7-pin plug does not mean you have trailer brakes! The electric brakes are controlled from the tow vehicle, and those inputs are sent to the trailer brakes through the 7-pin plug. A brake controller is required to operate electric trailer brakes it works in conjugation with a 7-pin harness. What Do These Plugs Control?Ī typical 7-pin trailer plug has a ground and controls the same lights as the basic 4-pin plug, plus reverse lights, auxiliary power (which charges your RV battery as you dive), and electric brakes.Īlthough the electric brakes are signaled using these plugs, they do not operate the trailer brakes. Many SUVs and trucks come equipt with 7-pin sockets, and aftermarket plugs are also available. The additional action requires its own connection in the trailer plug.Īll 7-pin co nnectors are round 2″ plugs that connect to all vehicle types with a 7-pin socket. This is an extra signal that needs to be sent to the trailer from the tow vehicle through the wire harness. With large trailers, including most RVs, electric brakes have become a necessity and a legal requirement in most locations.

In the case of small trailers, 4-pin harnesses are used with one wire for the right side turn and brake light, one for the left turn and brake light, one for running lights, and a ground wire. The connection between your tow vehicle and the trailer is made through a wire harness. However, trailers require signals to be sent to them to perform these actions. Your tow vehicle does this automatically through its electrical system.

#Seven pin trailer connector drivers

Towing a trailer of any type requires the tow vehicle and trailer to be able to signal to other drivers when they are stopping, turning, or backing up.