Whether you need to move house, go on vacation with a caravan, get rid of of green waste, or have a hitch is really handy. In this article, we will explain the electrical connection of a trailer hitch of a Mercedes Benz CLA Class . In fact, even if the set up procedure is not complex, it is necessary to describe some details to consider this intervention without any issue. First of all, we will find out 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 Mercedes Benz CLA Class .
What’s the wiring harness for a Mercedes Benz CLA Class hitch trailer?
Why do we have to connect a wiring harness with the hitch trailer of a Mercedes Benz CLA Class?
So we will begin our content by explaining the basics of a wiring harness of a Mercedes Benz CLA Class. In order to understand how it functions, you must already understand its necessity. If you have a trailer or a caravan to tow, it is fundamental and earlier 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 regulations, you will need to install a wiring harness connection on the hitch trailer of your Mercedes Benz CLA Class . We will focus on this in this post, if you want to learn how to install the hitch of a Mercedes Benz CLA Class, please find out our content on this subject.
What is the electrical connection of the trailer hitch of a Mercedes Benz CLA Class?
We will now fairly quickly explain 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 CLA Class. There are two different systems of electrical connection for a hitch, here they are:
- The 7-pin electric plug for a Mercedes Benz CLA Class trailer, 7 pins : This is the classic plug that will be found on all Mercedes Benz CLA Class hitches. This electrical connection will enable you to transmit all the lighting functions necessary for the rear signalling of your trailer, you will find a plug for each function (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 CLA Class: This plug system is mainly used for caravans that require 12 volts inside to supply the various electrical devices 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 Mercedes Benz CLA Class?
To finish this content, we will fairly quickly explain you how to produce the connection of the wiring harness of your Mercedes Benz CLA Class .
How to make the connection of the wiring harness of an old Mercedes Benz CLA Class?
To install the wiring harness of an old Mercedes Benz CLA Class, you will have to go and get all the necessary cables in the rear lights of this one. We suggest 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 carried out:
- Take out the trunk lining from your Mercedes Benz CLA 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 CLA Class?
For new Mercedes Benz CLA Classs, the wiring harness is much less complicated to connect:
- You can use a multiplexable box, you will find particular ones for your Mercedes Benz CLA Class and universal models. It’s up to you to select according to your budget, know that a universal version costs between 30 and 60 euros.
- Take out the trunk lining from your Mercedes Benz CLA Class so that you can route the cables from your box to the front of your Mercedes Benz CLA 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 CLA Class?
Finally, to finish this content we will fairly quickly explain you how to produce the electrical connection of a caravan on your Mercedes Benz CLA Class . To do this you will inevitably have to go through one of the previous steps, it’s up to you to select the one that points 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.
To get more tips on the Mercedes Benz CLA Class, take a look at the Mercedes Benz CLA Class category.
