Regardless of you need to move house, go on holiday with a caravan, dispose of green waste, or have a hitch is fairly handy. In this article, we will describe the electrical connection of a trailer hitch of a Mercury Mariner . In actual fact, regardless if the installation process is not difficult, it is necessary to explain some points to consider this task without any problem. First of all, we will see what the electrical wiring harness of your motor vehicle hitch consists of, then, in a second step, how to make the electrical connection of the hitch of a Mercury Mariner .

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What’s the wiring harness for a Mercury Mariner hitch trailer?

Why do we have to connect a wiring harness with the hitch trailer of a Mercury Mariner?

So we will commence our content page by detailing the principles of a wiring harness of a Mercury Mariner. In order to discover how it functions, you must already discover its necessity. If you have a trailer or a caravan to tow, it is fundamental and above all mandatory by the highway code to follow 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 meet all the electrical requirements, you will need to install a wiring harness connection on the hitch trailer of your Mercury Mariner . We will focus on this in this post, if you want to find out how to install the hitch of a Mercury Mariner, please see our content page on this subject.

What is the electrical connection of the trailer hitch of a Mercury Mariner?

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

  • The 7-pin electric plug for a Mercury Mariner trailer, 7 pins : This is the traditional plug that will be discovered on all Mercury Mariner hitches. This electrical connection will allow you to transmit all the lighting functions necessary for the rear signalling of your trailer, you will find a plug for each action (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 Mercury Mariner: This plug system is specifically used for caravans that involve 12 volts inside to supply the various electrical devices in the cabin. This kind of connection necessitates 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 motor vehicle is switched on).

How do I hook up the wiring harness of a Mercury Mariner?

To end this content page, we will fairly quickly describe you how to produce the connection of the wiring harness of your Mercury Mariner .

How to make the connection of the wiring harness of an old Mercury Mariner?

To install the wiring harness of an old Mercury Mariner, 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 main steps to be performed:

  • Remove the trunk lining from your Mercury Mariner 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 Mercury Mariner?

For new Mercury Mariners, the wiring harness is much simpler to connect:

  • You can use a multiplexable box, you will find particular ones for your Mercury Mariner 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 Mercury Mariner so that you can route the cables from your box to the front of your Mercury Mariner 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 Mercury Mariner?

Finally, to end this content page we will fairly quickly describe you how to produce the electrical connection of a caravan on your Mercury Mariner . 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 done 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.

In the event that you have any further questions about the Mercury Mariner, do not hesitate to consult our Mercury Mariner category.