Do you need a load resistor for LED headlights?

Headlight LED load resistors prevent "bulb out" error messages and bulb flickering. These 6 ohm 50-watt load resistors compensate for the low power draw of 9005 LED bulbs so that they can communicate properly with your vehicle's computer system. via

Can aftermarket LED bulbs harm your car's electrical system?

Many modern cars use what's called a CANBUS wiring system. This reduces the number of wires needed in the car by sending coded signals to different components. Aftermarket LEDs can interfere with this in our experience and may lead to you suffering electrical problems. via

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