What is the reason for the handbrake light turning on and off intermittently?

1 Answers
DiElle
07/29/25 6:51pm
The handbrake light turning on and off intermittently may be due to issues such as short circuits or open circuits in the brake light fuse or relay. Here are the specific details: Brake light working principle: In simple models, power passes through the fuse, then to the brake switch. When the brake pedal is pressed, the switch connects, sending electricity to two brake lights and one high-mounted brake light, forming a circuit through the negative wire connected to the vehicle body. Function of brake lights: Brake lights are bright and highly visible, primarily used to alert following vehicles that the car is slowing down or stopping. Incorrect use or malfunction of brake lights can easily lead to rear-end collisions.
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