Adapter cables

What is a connector for the trailer? 

A trailer connector is an important component when you need to transport something with your trailer. The connector connects your car to the trailer and enables the car's electrical system to communicate with the trailer. The connector ensures that the turn signals and brake lights also work on the trailer. 

Having the correct plug for your trailer is important for safety on the road. Without it, your trailer will not be able to receive power from the car, and its lights and other electrical functions will not work. That's why it's important to make sure you have the correct trailer plug before you hit the road. 

Choose between a 7- or 13-pin connector 

Trailer plugs come in different variants - typically either 7-pin or 13-pin. When choosing the right connector for your trailer, it's important to know the difference between a 7-pin and a 13-pin connector. Both types of connectors are used to connect your car to your trailer, but they have different functions and uses. 
 
A 7-pin trailer connector is the most common and is typically used for simpler trailers. It provides basic functions such as brake lights, turn signals and tail lights. The connector is often sufficient for smaller trailers that don't need extra electrical functions. 
 
On the other hand, a 13-pin connector for the trailer is a more advanced solution. In addition to the basic functions that a 7-pin connector offers, a 13-pin connector also allows for extra features. This type of connector is especially seen in larger trailers and caravans. 

It is therefore important that you are aware of the type of connector your car and trailer have before you invest in a new trailer connector. 

How to connect the plug to your trailer 

Connecting a plug to your trailer is a relatively simple process, but it's important to do it correctly to ensure your trailer's electrical system works properly. 
 
First of all, you need to make sure both your car and trailer are turned off and parked in a safe place. Next, find the plug on your car, which is typically located close to the trailer hitch. 
 
Once you've found the plug, take your trailer plug and connect it to the car plug. It's important to make sure the plug is connected correctly so that all the poles of the plug are connected. 
 
Once the plug is connected, it's a good idea to check that all the trailer lights are working properly before you hit the road. Turn on the car lights and check if the trailer flashes when you activate the turn signal. Also, check if the brake light comes on when you step on the brake. 

Do you need a cable adapter for your trailer connector? 

When connecting your car to your trailer, it's not always the case that the car connector and trailer connector match. For example, if your car has a 7-pin connector while your trailer has a 13-pin connector. In such situations, it is necessary to use adapter cables for your trailer connector. 
 
An adapter cable acts as a bridge between the car and trailer plugs and makes it possible to connect the two even if they have different numbers of poles. In other words, the adapter cables ensure that the power from the car plug can be transferred to the trailer plug so that all the electrical functions of the trailer work properly. 

Find your adapter cables or plug at Biltema 

At Biltema, you'll find a wide range of both adapter cables and connectors for trailers. Our selection of trailer plugs is wide, and you can find both a 7 and 13-pin plug. We understand the importance of a reliable connector to ensure that your trailer's electrical system works properly. That's why we have carefully selected our products to ensure they meet the standards. 

If you have a car with a 7-pin connector and a trailer with a 13-pin connector or vice versa, we have the solution for you, too. Our range of adapter cables is designed to act as a bridge between the car and trailer plugs, so you can easily and safely connect the two even if they have different numbers. 

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FAQ

What is the difference between a 7-pin and 13-pin connector?

The difference between 7-pin and 13-pin connectors for trailers is in the number of functions they can handle. A 7-pin connector handles basic functions such as brake lights, turn indicators, and rear lights. On the other hand, a 13-pin trailer connector can also handle extra functions typically found in caravans and larger trailers.

What is the purpose of a connector for a trailer?

A trailer connector (or adapter cables)  links the car’s electrical system to the trailer. It ensures the trailer receives power so its lights and other electrical functions work properly. Without the correct plug, these functions won’t work. 

What are trailer adapter cables used for?

Adapter cables connect the trailer and car when they have different pole configurations. It ensures proper power transfer so that all the trailer’s electrical functions, such as lights and signals, work correctly.