LED side marker lights
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LED Side marker lights
Good visibility of your vehicle in traffic increases road safety on and around the roads. Therefore, we always recommend LED side marker lights.
Particularly for wider trailers, trailer, trucks or (agriculture) vehicles, this width lighting is essential for safety. Side marker lights and marker lights are compulsory in many countries, including for trailers 210 cm wide or more. A white forward-facing light and a red rear-facing light are required. You can read more about this in this blog: regulations on trailer lighting
As well as their essential functionality, side marker lights can also add a unique stylistic touch to your trailer or truck. That is why the terms ‘Danish side marker lights’ and‘Swedish side marker lights’are so popular. We aim to offer you a wide choice of this LED lighting. That’s why we can supply many different types of LED side marker lights straight from stock. TRALERT® helps you hit the road safely and in style with certified, high-quality lights. As 90 per cent of our entire range is available from stock, we can deliver orders placed before 15:00 to you the very next day.
LED side marker light 12V
In the TRALERT® range, you’ll always find the right 12V side marker lights for your trailer. With a dealer account, you’ll gain direct access to over 100 different models and variants. We offer such a wide variety of LED side marker light models because we recognise that your trailer has many different applications. So it practically doesn’t matter what sort of truck or trailer you have, or what sort of side marker lights you’re looking for. We’re happy to help you find orange, red or white side marker lights. Are you looking for different lens colours or housing colours? We’d be happy to advise you on this too. By also offering parts separately, it’s possible to configure a side marker light exactly as you need it.
Connecting side marker lights
We offer LED side marker lights fitted with a standard cable, a 0.75 mm² connector or connector 1.5 mm² connector. You can easily connect the lights to the trailer’s existing cabling. Naturally, we have designed these lights to be multi-voltage. A multi-voltage light means that the side marker lights support both 12V and 24V. This means you don’t need to worry about whether the side marker lights will work with the voltage in your car or truck . We offer a wider range of multivoltage support than the average supplier. This is reflected in our support for voltages ranging from 9 V to 36 V.
The risk you face when choosing LED side marker lights that do not support this is peak voltage. This is because peak voltage can occur when starting your car with a trailer attached. Peak voltage is the temporary increase in voltage caused by starting the engine. This temporary surge in voltage can cause the LEDs in your side marker lights to blow. This means that, with our lighting, you do not need to worry about this when starting your vehicle.
Side marker lights for trailers
LED side marker lights make the outer contours of a trailer clearly visible and contribute to a neat and functional lighting configuration. They are particularly relevant for wider trailers, where recognising the vehicle’s width is important. Proper coordination with the other lighting helps to ensure the overall system is logically structured. TRALERT® offers informative articles if you want to know exactly which lighting you need on a trailer; or, if you’d prefer more information on wiring and regulations, the ‘All About Trailer Lighting ’ guide will help you further.
Is your LED lighting giving interference and is it due to the LED side marker lighting?
LED side marker lights can sometimes cause a failure signal on the dashboard after connection. This is because LED is a sustainable lighting solution that requires little power. Because it requires little power, the on-board computer of your car or truck does not see that the light is connected. As a result, your vehicle thinks there is a loose contact and a message is generated on your dashboard. Also, LED lighting can cause interference to your radio. We aim for high levels of EMC interference suppression in the circuit boards of our lighting. As a result, you will find that our LED side marker lights will not cause problems with radio or your dashboard. A common solution is to place a resistance in front of your lighting. This causes your car to register the side marker lights because the current consumption is set higher. For more information on this, please refer to our blog on canbus proof LED lighting.
Popular side marker lights
A trend among side marker lights is the "Dark Look" side marker lighting. And in addition, danish side marker lights have been popular with truck for years. This truck side marker lighting has a sleek and modern design that fits well with contemporary vehicles. The use of high-quality materials ensures that the lights not only look good, but are also durable. They are also very reliable and not prone to failure.
Frequently asked questions
How long does delivery of LED side marker lights take?
90% of the entire range is available from stock. This allows us to deliver to you the next day if ordered before 15:00!
Which side marker lighting is suitable for my truck, semi-trailer or trailer ?
To determine which side marker light best suits you and your vehicle, visit our dealer portal with handy selection tools.
How do I connect my LED side marker lighting?
The LED side marker lights are fitted with a standard cable or 0.75mm² or 1.5mm² connectors. This allows you to easily connect the lights to your existing cabling.


































