Why my brake light stays on

Your brake lights tell the person behind you what you are doing. They can tell them whether you are stopping or going. If your brake lights don't work well, it is more dangerous for other people on the road. You can fix this by learning why your car brake lights won’t turn off and what to do about them.

How Do Brake Lights Work

The brake system is what makes the lights turn on when you stop the car. The brake pedal is attached to a switch that sends a signal to the light when you push down on it. The wiring and other parts help make sure the signal gets to the light.

The switch communicates with the brake lights by way of wiring in the car. When you step on the brake pedal, the switch is engaged and it sends a signal to the brake lights to turn on. 

The striker is what disengages the brake light switch when you take your foot off of the brake pedal, which turns off the brake lights. Although this is a simplified explanation, damage to the striker or brake light switch could lead to problems with your brakes.

Faulty Brake Light Switch

A common cause for brake lights not turning on is a faulty brake light switch. It could be closed or broken. You can find it under the dash near your pedal. When you have these problems, you will see many other symptoms like your brake lights coming on while driving, impaired cruise control, vehicle will not shift out of park and non-functioning brake lights.

Worn Or Missing Striker

Some cars have a striker at the top of the brake pedal linkage. This part helps to stop the brake light switch from working when you take your foot off the brake pedal. Sometimes this striker can break, wear down, or move out of place. 

When this happens, the switch may not disengage and your brake lights may stay on. If you see pieces on the floorboard, it is likely that the striker broke and needs to be fixed.

Stuck Brake Pedal

If your brake pedal isn't going back to its natural position when you press it down, you may have a problem with the brake. This is usually because of dirty parts and too much dust in the place where the brake pedal is. If this continues, then it can also make damage to your car's brakes and rotors.

Circuitry Problems

If your brake lights won't turn off or on, this could be because of a wiring problem. Sometimes people try to fix this problem themselves, but if it doesn't work, you should go to a professional to get it fixed.

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