Resistance
- Updated:
- By: Kevin van Mierlo
Contents
What is resistance?
Definition
Resistance is the degree of resistance that current encounters in a circuit. All materials offer some degree of resistance to current. They can be divided into two broad categories, namely: conductors and insulators. The higher the resistance, the lower the current. The lower the resistance, the higher the current. The voltage across the resistance is determined by the colour of the LED.
Connecting LED resistors to a trailer or vehicle
Because LEDs require far less power to operate than standard lighting, the vehicle may interpret this as a fault. This can result in an error message appearing on your dashboard or your indicators flashing more rapidly. This can be resolved by using resistances. A resistance ensures that your trailer lighting or other vehicle lights function correctly. Every vehicle has a different connection. That is why there are 12-Volt and 24-Volt resistance connections.
Mounting the LED resistor
Connecting a resistance is fairly straightforward. The key is to connect the resistances between the LED lighting and the vehicle where you wish to install them. As we can supply resistances with pre-wired cabling, it is easier to fit them into the existing wiring. Occasionally, the LED lighting on your trailer may cause interference at the connection. This is because LEDs require far less energy than halogen lighting. By connecting a resistance, you will no longer experience any interference at the connection.
There may also be an issue with the vehicle’s CAN bus. For example, if you fit your trailer with LED lighting. By installing resistances in the circuit, the error message will disappear and the LED lighting will function correctly.
To determine which resistances are best suited to your vehicle, trailer or trailer , it is important to establish the required connection type and voltage . If you’re having trouble deciding, please feel free to contact TRALERT®’s technical support team.
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Author
Kevin van Mierlo
Lighting expert at TRALERT® - Kevin tests lighting and finds out everything about legislation. He can tell you all about it.
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