How does the brake light switch work?
Similarly, it is asked, how does a brake light circuit work?
Brake lights serve a simple but important function -- they warn drivers behind you when you're slowing down. At the other end is the brake switch, where the pedal presses down and creates contact that completes the circuit. The system draws power from the car's battery.
Secondly, how do you fix a brake light switch? How to Replace a Brake Light Switch
- Open the driver door of the car and kneel down inside so that you can see and reach the underside of the dash, where the pedals connect.
- Remove the two or four Phillips-head screws that are behind the brake pedal and that hold the electrical cover in place.
- Remove the cover.
Regarding this, how do you know if your brake light switch is bad?
One of the symptoms commonly associated with a bad brake light switch are brake lights that stay on at all times. If the brake light switch shorts internally it may cause the brake lights to stay illuminated, even when the pedal is not being pressed.
What happens when brake light switch fails?
A faulty brake light switch can cause many problems. If a switch is bad, the brake lights won't operate and the transmission shifter will not come out of "Park" position. In cars with a push-button start system, a faulty brake light switch can cause the vehicle not to start.