Whether you need to move house, go on vacation with a caravan, get rid of of green waste, or have a hitch is fairly handy. In this post, we will show you the electrical connection of a trailer hitch of a Bmw Serie 3 . Indeed, regardless if the set up process is not difficult, it is required to explain some details to consider this task without any problem. First of all, we will discover 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 Bmw Serie 3 .
What’s the wiring harness for a Bmw Serie 3 hitch trailer?
Why do we have to connect a wiring harness with the hitch trailer of a Bmw Serie 3?
So we will begin our content page by explaining the basics of a wiring harness of a Bmw Serie 3. In order to figure out how it functions, you must already figure out its necessity. Whether you have a trailer or a caravan to tow, it is necessary and earlier all mandatory by the highway code to follow certain requirements, 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 Bmw Serie 3 . We will concentrate on this in this post, if you want to discover how to install the hitch of a Bmw Serie 3, please discover our content page on this topic.
What is the electrical connection of the trailer hitch of a Bmw Serie 3?
We will now quickly show you 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 Bmw Serie 3. There are two different systems of electrical connection for a hitch, here they are:
- The 7-pin electric plug for a Bmw Serie 3 trailer, 7 pins : This is the traditional plug that will be located on all Bmw Serie 3 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 Bmw Serie 3: This plug system is principally used for caravans that require 12 volts inside to supply the different electrical equipment in the cabin. This kind 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 motor vehicle is switched on).
How do I hook up the wiring harness of a Bmw Serie 3?
To conclude this content page, we will quickly show you you how to produce the connection of the wiring harness of your Bmw Serie 3 .
How to make the connection of the wiring harness of an old Bmw Serie 3?
To install the wiring harness of an old Bmw Serie 3, you will have to go and get all the required cables in the rear lights of this one. We suggest you to call in a motor vehicle electrician to do this intervention because it is difficult, but we will nevertheless summarize the main steps to be accomplished:
- Take out the trunk lining from your Bmw Serie 3 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 Bmw Serie 3?
For new Bmw Serie 3s, the wiring harness is much simpler to connect:
- You can use a multiplexable box, you will find specific ones for your Bmw Serie 3 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 Bmw Serie 3 so that you can route the cables from your box to the front of your Bmw Serie 3 and connect them to your fuse box.
- Install the case 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 Bmw Serie 3?
Finally, to conclude this content page we will quickly show you you how to produce the electrical connection of a caravan on your Bmw Serie 3 . To get this done 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.
To get more tips on the Bmw Serie 3, take a look at the Bmw Serie 3 category.
