Regardless of you need to move house, go on holiday with a caravan, dispose of green waste, or have a hitch is fairly handy. On this page, we will explain the electrical connection of a trailer hitch of a Fiat Doblo . In truth, even if the installation process is not difficult, it is necessary to explain some details to consider this intervention without any problem. First of all, we will see 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 Fiat Doblo .

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What’s the wiring harness for a Fiat Doblo hitch trailer?

Why do we have to connect a wiring harness with the hitch trailer of a Fiat Doblo?

So we will begin our content by detailing the fundamentals of a wiring harness of a Fiat Doblo. In order to discover how it functions, you must already discover its necessity. Whether you have a trailer or a caravan to tow, it is important and above all mandatory by the highway code to respect 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 Fiat Doblo . We will concentrate on this in this article, if you want to learn how to install the hitch of a Fiat Doblo, please see our content on this theme.

What is the electrical connection of the trailer hitch of a Fiat Doblo?

We will now 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 Fiat Doblo. There are two different systems of electrical connection for a hitch, here they are:

  • The 7-pin electric plug for a Fiat Doblo trailer, 7 pins : This is the traditional plug that will be found on all Fiat Doblo hitches. This electrical connection will allow you to transmit all the lighting functions required 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 Fiat Doblo: This plug system is mainly used for caravans that involve 12 volts inside to supply the various 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 Fiat Doblo?

To finish this content, we will quickly explain you how to make the connection of the wiring harness of your Fiat Doblo .

How to make the connection of the wiring harness of an old Fiat Doblo?

To install the wiring harness of an old Fiat Doblo, 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 car electrician to do this intervention because it is difficult, but we will nevertheless summarize the most important steps to be performed:

  • Take out the trunk lining from your Fiat Doblo to access the rear light unit.
  • Find 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 Fiat Doblo?

For modern Fiat Doblos, the wiring harness is much less complicated to connect:

  • You can use a multiplexable box, you will locate specific ones for your Fiat Doblo 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 Fiat Doblo so that you can route the cables from your box to the front of your Fiat Doblo and connect them to your fuse box.
  • Install the circumstance in the trunk properly.
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  • You don’t have to retrieve your cables from the trunk and connect them to your outlet.

How do you hook up the power to a trailer on Fiat Doblo?

Finally, to finish this content we will quickly explain you how to make the electrical connection of a caravan on your Fiat Doblo . 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.

If perhaps you have any further questions about the Fiat Doblo, do not hesitate to consult our Fiat Doblo category.