If you need to move house, go on vacation with a caravan, dispose of green waste, or have a hitch is fairly handy. In this article, we will explain the electrical connection of a trailer hitch of a Audi S4 . In truth, regardless if the set up procedure is not complex, it is required to describe some details to consider this work without any issue. First of all, we will discover what the electrical wiring harness of your car hitch involves, then, in a second step, how to make the electrical connection of the hitch of a Audi S4 .
What’s the wiring harness for a Audi S4 hitch trailer?
Why do we have to connect a wiring harness with the hitch trailer of a Audi S4?
So we will commence our content page by explaining the basics of a wiring harness of a Audi S4. 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 important and above all mandatory by the highway code to follow certain laws, 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 obligations, you will need to install a wiring harness connection on the hitch trailer of your Audi S4 . We will concentrate on this in this post, if you want to find out how to install the hitch of a Audi S4, please discover our content page on this theme.
What is the electrical connection of the trailer hitch of a Audi S4?
We will now fairly quickly explain how the electrical connection of your hitch functions. The connection uses the 12-volt current from your car to power the hitch lights on your Audi S4. There are two different systems of electrical connection for a hitch, here they are:
- The 7-pin electric plug for a Audi S4 trailer, 7 pins : This is the classic plug that will be found on all Audi S4 hitches. This electrical connection will enable you to transmit all the lighting functions needed for the rear signalling of your trailer, you will locate 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 Audi S4: This plug system is mainly used for caravans that involve 12 volts inside to supply the different electrical equipment in the cabin. This kind 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 Audi S4?
To finish this content page, we will fairly quickly explain you how to produce the connection of the wiring harness of your Audi S4 .
How to make the connection of the wiring harness of an old Audi S4?
To mount the wiring harness of an old Audi S4, you will have to go and get all the required cables in the rear lights of this one. We advise you to call in a car electrician to do this intervention because it is complex, but we will nevertheless summarize the main steps to be performed:
- Take out the trunk lining from your Audi S4 to access the rear light unit.
- Identify 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 S4?
For new Audi S4s, the wiring harness is much less complicated to connect:
- You can use a multiplexable box, you will locate particular ones for your Audi S4 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 Audi S4 so that you can route the cables from your box to the front of your Audi S4 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 Audi S4?
Finally, to finish this content page we will fairly quickly explain you how to produce the electrical connection of a caravan on your Audi S4 . 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 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.
Whenever you have any further questions about the Audi S4, do not hesitate to consult our Audi S4 category.
