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OnBuy.com£25.97Visit shop 2Pcs W21/5W Resistor - Can Error Decoder 50W 8 Ohm / 5W 39 Ohm 12V 5901414689414
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This pack of two MotoLEDy 7443 W21/5W CAN error decoders is designed for vehicle owners seeking to install LED bulbs without triggering dashboard error messages. These 50W, 8 Ohm resistors with integrated heatsinks provide a plug-and-play solution to bypass CANBUS system warnings, enabling the use of more affordable and efficient LED lighting for daytime running lights and position lights. A key benefit is the avoidance of error codes on sensitive systems, though users must be aware that these are intended for off-road use only and are not road-legal certified.
| Model Part Number | 7443 |
|---|---|
| Brand | MotoLEDy |
A CAN error decoder, like these resistors, simulates the electrical load of a standard halogen bulb. This prevents the vehicle's CANBUS system from detecting a missing or faulty bulb when you install power-efficient LED bulbs, thus avoiding dashboard error messages.
These specific resistors (W21/5W, 7443) are typically designed for smaller bulbs used in daytime running lights or position lights. Headlights often require higher wattage resistors. Always check the bulb type and the recommended resistor specifications for your headlights.
No, this product is designed for off-road use only and is not officially certified for road use. Using them on public roads may violate local regulations.
Cars with CANBUS systems often display dashboard warning lights for "bulb out" or "check lights" when a bulb fails. If your vehicle is relatively modern (roughly 2005 onwards) and displays such warnings, it likely uses a CANBUS system. Specific vehicle manufacturer documentation can confirm this.
No, these resistors feature a plug-and-play design. You simply connect them between the vehicle's original wiring harness and the LED bulb socket, without any soldering required.
The resistor should be mounted to an unpainted metal part of the vehicle's chassis near the lamp assembly. This provides a good surface for heat dissipation, which is crucial for the resistor's longevity and safe operation.
These are 50W, 8 Ohm resistors.
Verify the resistor is securely connected to both the vehicle harness and the bulb socket. Ensure the resistor is firmly attached to an unpainted metal surface for adequate heat dissipation. Double-check that the resistor's Ohm and Wattage rating is appropriate for your vehicle's system, as some high-end vehicles may require different specifications.
Check the connections for a solid electrical contact. Ensure the resistor is properly grounded to a metal surface. The LED bulb itself might be incompatible or faulty; try a different LED bulb.
Ensure the resistor is mounted to a sufficient metal surface area that can act as a heatsink. Avoid mounting on plastic or painted surfaces. If overheating continues, the resistor may be overloaded or faulty; consider a resistor with a higher wattage rating if compatible with your vehicle.
Confirm the resistor is receiving power from the vehicle. Check that the resistor's connectors are fully seated. Test the LED bulb directly without the resistor (if safe to do so) to confirm the bulb is functional.
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