Ultimate Guide to Troubleshooting a Stuck Top Brake Light

The third (center) brake light on my 2011 Buick Lucerne stays on constantly, even when the car is not running. I do not know if the bulbs can be replaced. You may have replaced one of the tail light bulbs with the wrong one. It may be shorting two circuits together. So the brake light stays on. Money is on the brake light switch sticking. It's somewhat of a contortionist act to access, but if it has failed, not bad to replace once you ... It is very dim but it does get brighter when the brake pedal is pressed(other brake lights work normal). Also my brake lights do not work unless ... Inspect the Stopper and Brake Light Switch: Underneath the dash, locate the brake light switch near the top of the pedal. Check for a stopper in the brake pedal ... The cause of this, they said, was that the LED bulbs had an improper resistance level in comparison to the stock incandescent 3157 bulb. So conclusion of my problem above. The whole thing is caused by the printed circuit board inside the light fixture on the left side brake light. The most common cause for brake lights not turning off is a stuck brake pedal. If the pedal doesn't come back up all the way when you take your foot off, it ... Usually, it's the brake light switch. It has a little stopper on it that tends to break and fall off. Look at your floor, can you find it? Also check the switch pad, it's a dime sized rubber spot that clicks into a hole in the pedal arm tab. The hole the pad mounts to is just ...