If you need to move house, go on vacation with a caravan, dispose of green waste, or have a hitch is fairly handy. In this post, we will explain the electrical connection of a trailer hitch of a Jeep Wrangler . In fact, even if the installation procedure is not difficult, it is necessary to describe some details to consider this work without any issue. Firstly, we will find out what the electrical wiring harness of your motor vehicle hitch involves, then, in a second step, how to make the electrical connection of the hitch of a Jeep Wrangler .

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What’s the wiring harness for a Jeep Wrangler hitch trailer?

Why do we have to connect a wiring harness with the hitch trailer of a Jeep Wrangler?

So we will commence our content by explaining the principles of a wiring harness of a Jeep Wrangler. In order to discover how it works, you must previously discover its necessity. If you have a trailer or a caravan to tow, it is important and earlier all mandatory by the highway code to follow certain protocols, here they are:

  • A solid chassis for the trailer…
  • Wheels that fit.
  • An electrical connection.
  • A license plate in plain sight.
  • A stoplight repeater.
  • A traffic light repeater.
  • A blinker repeater.
  • License plate illumination.
  • A fog light repeater.

In order to fulfill all the electrical obligations, you will need to install a wiring harness connection on the hitch trailer of your Jeep Wrangler . We will focus on this in this post, if you want to find out how to install the hitch of a Jeep Wrangler, please find out our content on this subject.

What is the electrical connection of the trailer hitch of a Jeep Wrangler?

We will now fairly quickly explain how the electrical connection of your hitch works. The connection uses the 12-volt current from your motor vehicle to power the hitch lights on your Jeep Wrangler. There are two different systems of electrical connection for a hitch, here they are:

  • The 7-pin electric plug for a Jeep Wrangler trailer, 7 pins : This is the classic plug that will be found on all Jeep Wrangler hitches. This electrical connection will allow you to transmit all the lighting functions necessary for the rear signalling of your trailer, you will discover a plug for each objective (left and right indicators, ground, fog light, left and right position light, left and right brake light).
  • Electrical connection for caravan with 13-pin plug for Jeep Wrangler: This plug system is principally used for caravans that require 12 volts inside to supply the various electrical equipment in the cabin. This sort of connection requires the use of an adapter. The extra pins will bring the 12 volt power permanently (to recharge a battery in the caravan) and the 12 volt power in use (to use the 12 volt equipment when the car is switched on).

How do I hook up the wiring harness of a Jeep Wrangler?

To end this content, we will fairly quickly explain you how to make the connection of the wiring harness of your Jeep Wrangler .

How to make the connection of the wiring harness of an old Jeep Wrangler?

To mount the wiring harness of an old Jeep Wrangler, you will have to go and get all the necessary cables in the rear lights of this one. We advise you to call in a motor vehicle electrician for this intervention because it is difficult, but we will nevertheless summarize the most important steps to be carried out:

  • Take out the trunk lining from your Jeep Wrangler to access the rear light unit.
  • Find the wires that correspond to each of the taillight functions.
  • Connect them to the lugs on the wiring harness on your hitch.
  • Close the whole thing down.

How do you connect the wiring harness of a recent Jeep Wrangler?

For modern Jeep Wranglers, the wiring harness is much simpler to connect:

  • You can use a multiplexable box, you will discover particular ones for your Jeep Wrangler and universal models. It’s up to you to choose according to your budget, know that a universal version costs between 30 and 60 euros.
  • Take out the trunk lining from your Jeep Wrangler so that you can route the cables from your box to the front of your Jeep Wrangler and connect them to your fuse box.
  • Install the case in the trunk effectively.
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  • You don’t have to retrieve your cables from the trunk and connect them to your outlet.

How do you hook up the power to a trailer on Jeep Wrangler?

Finally, to end this content we will fairly quickly explain you how to make the electrical connection of a caravan on your Jeep Wrangler . To achieve this you will automatically have to go through one of the previous steps, it’s up to you to choose the one that means your model and your budget. After you have conducted this, the last step will be to buy an adapter that goes from a 7-pin plug to a 13-pin plug so that you can benefit from the 12 volt current in your caravan. These adapters come at different prices, you will need to count between 15 and 40 euros. All you have to do is plug it into your 7-pin plug.

Whenever you have any further questions about the Jeep Wrangler, do not hesitate to consult our Jeep Wrangler category.