If you need to move house, go on holiday with a caravan, dispose 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 Audi A8 . In truth, even if the set up process is not difficult, it is required to clarify some details to consider this intervention without any problem. Firstly, we will discover what the electrical wiring harness of your car hitch consists of, then, in a second step, how to make the electrical connection of the hitch of a Audi A8 .
What’s the wiring harness for a Audi A8 hitch trailer?
Why do we have to connect a wiring harness with the hitch trailer of a Audi A8?
So we will begin our content page by explaining the basics of a wiring harness of a Audi A8. In order to discover how it works, you must already discover its necessity. Whether 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 Audi A8 . We will look into this in this post, if you want to discover how to install the hitch of a Audi A8, please discover our content page on this topic.
What is the electrical connection of the trailer hitch of a Audi A8?
We will now 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 Audi A8. There are two different systems of electrical connection for a hitch, here they are:
- The 7-pin electric plug for a Audi A8 trailer, 7 pins : This is the traditional plug that will be located on all Audi A8 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 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 Audi A8: This plug system is specifically used for caravans that involve 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 car is switched on).
How do I hook up the wiring harness of a Audi A8?
To end this content page, we will quickly explain you how to produce the connection of the wiring harness of your Audi A8 .
How to make the connection of the wiring harness of an old Audi A8?
To mount the wiring harness of an old Audi A8, 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 car electrician for this intervention because it is difficult, but we will nevertheless summarize the most important steps to be carried out:
- Remove the trunk lining from your Audi A8 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 Audi A8?
For new Audi A8s, the wiring harness is much less complicated to connect:
- You can use a multiplexable box, you will locate specific ones for your Audi A8 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.
- Remove the trunk lining from your Audi A8 so that you can route the cables from your box to the front of your Audi A8 and connect them to your fuse box.
- Install the case in the trunk effectively.
- 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 Audi A8?
Finally, to end this content page we will quickly explain you how to produce the electrical connection of a caravan on your Audi A8 . To get this done you will automatically have to go through one of the previous steps, it’s up to you to select 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 want more tutorials on the Audi A8, go to our Audi A8 category.
