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Headlights Tail and Brake Lights

Why do the brake lights constantly stay on whether the vehicle is on or off?


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Wiki User
2004-09-15 01:00:41
2004-09-15 01:00:41

There is a brake light switch mounted high up on the brake pedal. The switch has a plunger which is released (extends) when you step on the brake pedal. This completes an electrical circuit. The switch has either come loose from where is it mounted so that the plunger is released all the time or part of the plunger has broken off. This has the same effect as having the plunger released.

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every vehicle must have brake lights to indicate that the vehicle is stopping. with no brake lights the vehicle can cause a rear end collision.

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Brake lights are on continuously while you are driving. Every time the brake pedal is depressed.

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More than likely the brake light switch is defective or out of adjustment.

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