Regardless of you need to move house, go on holiday with a caravan, get rid of of green waste, or have a hitch is really handy. In this post, we will explain the electrical connection of a trailer hitch of a GMC Yukon . In truth, regardless if the set up procedure is not difficult, it is necessary to explain some points to consider this task without any issue. First of all, we will find out what the electrical wiring harness of your car hitch involves, then, in a second step, how to make the electrical connection of the hitch of a GMC Yukon .

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What’s the wiring harness for a GMC Yukon hitch trailer?

Why do we have to connect a wiring harness with the hitch trailer of a GMC Yukon?

So we will start our article by explaining the basics of a wiring harness of a GMC Yukon. In order to understand how it works, you must previously understand its necessity. Whether you have a trailer or a caravan to tow, it is fundamental and above all mandatory by the highway code to respect certain rules, 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 satisfy all the electrical obligations, you will need to install a wiring harness connection on the hitch trailer of your GMC Yukon . We will concentrate on this in this post, if you want to learn how to install the hitch of a GMC Yukon, please find out our article on this topic.

What is the electrical connection of the trailer hitch of a GMC Yukon?

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

  • The 7-pin electric plug for a GMC Yukon trailer, 7 pins : This is the traditional plug that will be identified on all GMC Yukon hitches. This electrical connection will allow you to transmit all the lighting functions needed 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 GMC Yukon: This plug system is principally used for caravans that require 12 volts inside to supply the different electrical devices in the cabin. This type 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 GMC Yukon?

To finish this article, we will fairly quickly explain you how to make the connection of the wiring harness of your GMC Yukon .

How to make the connection of the wiring harness of an old GMC Yukon?

To mount the wiring harness of an old GMC Yukon, 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 car electrician to do this intervention because it is difficult, but we will nevertheless summarize the main steps to be accomplished:

  • Remove the trunk lining from your GMC Yukon to access the rear light unit.
  • Locate 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 GMC Yukon?

For recent GMC Yukons, the wiring harness is much easier to connect:

  • You can use a multiplexable box, you will discover specific ones for your GMC Yukon 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.
  • Remove the trunk lining from your GMC Yukon so that you can route the cables from your box to the front of your GMC Yukon and connect them to your fuse box.
  • Install the circumstance in the trunk properly.

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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 GMC Yukon?

Finally, to finish this article we will fairly quickly explain you how to make the electrical connection of a caravan on your GMC Yukon . To get this done you will inevitably 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.

If you have any further questions about the GMC Yukon, do not hesitate to consult our GMC Yukon category.