What is the reason why the LED headlight on the right side is not as bright as the left side?

1 Answers
CadenMarie
07/29/25 12:18pm
There are several reasons why the right headlight of a car is not as bright as the left one: 1. Abnormal right bulb: The grounding of the right bulb is abnormal, and the wiring needs to be readjusted. 2. Aging bulb filament: The bulb has reached a certain service life, resulting in aging of the bulb filament, and dimming of the bulb is one of the symptoms. 3. Unstable battery output: If the battery output is unstable, it can also cause the new car's headlights to be brighter on the left and dimmer on the right. When one headlight is bright and the other is not, it is likely due to the (non-functioning) headlight's filament being burnt out. Aging after a certain period of use is normal, causing the headlight to malfunction, and it needs to be replaced promptly. 4. Wiring issues: Professional inspection is required. Otherwise, incorrect wiring may pose safety hazards.
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