Why do my brake lights stay on all the time?
Why do my brake lights stay on all the time? The most common reason that they stay on is a brake light switch that has failed. Brake lights work by having an electric current sent to the brake pedal switch at all times (even with the vehicle off). When you press the brake pedal in, it sends the current to the brake lights. It’s a very simple system that has not changed in almost a century. Where is the brake light switch on a car? When the brake pedal is pressed, it closes the switch, and the current flows through...