What causes one side of the Lavida's brake taillight to be on while the other side is off?

2 Answers
McMolly
07/24/25 7:54am
The reason why one side of the Lavida's brake taillight is on while the other side is off may be due to a short circuit in one side's wiring, bulb failure, or other issues. Below are detailed reasons and solutions for the Lavida's brake taillight being on one side and off the other: Possible short circuit in one side's wiring: There may be a short circuit in one side's wiring, such as aging wires or poor contact at the connectors. Aging wires can be replaced with new ones. Bulb failure: If one brake light is on while the other is off, this issue is usually caused by the brake bulb. Replacing the brake bulb can resolve the problem. Precautions when replacing brake bulbs: When replacing brake bulbs, it is recommended to replace both at the same time to prevent uneven filament erosion, which could lead to one light being on while the other is off. However, the owner can keep a good bulb in the car for emergencies. Reasons why the car's brake light stays on: Issues with the brake wiring or sensor, indicating a problem with the brake circuit or sensor. Insufficient brake fluid in the car. Severe wear on the brake pads or intermittent brake light functionality, etc.
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McArthur
08/11/25 3:34am
If one of your Lavida's brake tail lights is on while the other is not, this is a fairly common issue with several possible causes. The most frequent reason is a burnt-out bulb, especially when a single bulb has been used for a long time, causing the filament to break and the light to stop working. You can check the bulb condition yourself and try replacing it with a new one—it's inexpensive and straightforward. If the light still doesn't work after replacement, the issue might lie with the fuse. A blown fuse in the brake light circuit can affect one side; open the fuse box to locate and inspect the corresponding fuse, then replace it if necessary. Additionally, loose or oxidized wiring connections can lead to poor contact, particularly at the plug where dust or moisture may accumulate. Cleaning the connector or reseating it tightly might solve the problem. Although less common, relay failure or brake switch issues should not be overlooked. I recommend starting with a DIY inspection, and if that doesn’t help, seek professional repair. While this issue may seem minor, it impacts driving safety, so don’t delay addressing it.
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