If you need to move house, go on vacation with a caravan, get rid of of green waste, or have a hitch is fairly handy. On this page, we will describe the electrical connection of a trailer hitch of a Mercedes Benz M Class . In fact, regardless if the installation process is not complex, it is required to clarify some points to consider this work without any issue. Firstly, we will find out what the electrical wiring harness of your motor vehicle hitch contains, then, in a second step, how to make the electrical connection of the hitch of a Mercedes Benz M Class .
What’s the wiring harness for a Mercedes Benz M Class hitch trailer?
Why do we have to connect a wiring harness with the hitch trailer of a Mercedes Benz M Class?
So we will commence our content page by explaining the fundamentals of a wiring harness of a Mercedes Benz M Class. In order to understand how it functions, you must already understand its necessity. Whether you have a trailer or a caravan to tow, it is necessary and above 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 regulations, you will need to install a wiring harness connection on the hitch trailer of your Mercedes Benz M Class . We will focus on this in this article, if you want to discover how to install the hitch of a Mercedes Benz M Class, please find out our content page on this theme.
What is the electrical connection of the trailer hitch of a Mercedes Benz M Class?
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 Mercedes Benz M Class. There are two different systems of electrical connection for a hitch, here they are:
- The 7-pin electric plug for a Mercedes Benz M Class trailer, 7 pins : This is the classic plug that will be found on all Mercedes Benz M Class hitches. This electrical connection will enable you to transmit all the lighting functions necessary for the rear signalling of your trailer, you will locate 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 Mercedes Benz M Class: This plug system is principally used for caravans that involve 12 volts inside to supply the different electrical devices in the cabin. This type of connection needs 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 Mercedes Benz M Class?
To end this content page, we will fairly quickly describe you how to make the connection of the wiring harness of your Mercedes Benz M Class .
How to make the connection of the wiring harness of an old Mercedes Benz M Class?
To install the wiring harness of an old Mercedes Benz M Class, you will have to go and get all the required cables in the rear lights of this one. We recommend you to call in a motor vehicle electrician for this intervention because it is complex, but we will nevertheless summarize the main steps to be performed:
- Take out the trunk lining from your Mercedes Benz M Class 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 Mercedes Benz M Class?
For modern Mercedes Benz M Classs, the wiring harness is much easier to connect:
- You can use a multiplexable box, you will locate particular ones for your Mercedes Benz M Class 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 Mercedes Benz M Class so that you can route the cables from your box to the front of your Mercedes Benz M Class and connect them to your fuse box.
- Install the circumstance in the trunk properly.
- You don’t have to retrieve your cables from the trunk and connect them to your outlet.
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How do you hook up the power to a trailer on Mercedes Benz M Class?
Finally, to end this content page we will fairly quickly describe you how to make the electrical connection of a caravan on your Mercedes Benz M Class . 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 corresponds to 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.
To find more tips on the Mercedes Benz M Class, take a look at the Mercedes Benz M Class category.
