Top Brake Light Illumination Exploring the Underlying Causes

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 ... Two possible causes to start with: 1. A short in one of the brake light bulbs between the tail light & brake light filaments. With the parking ... fed from the right (RH) rear stop light. If the center brake light is lit, so would the right (RH) rear stop light. There's no connection to the ... If not and still on, try also disconnecting the stop lamp relay in the underhood fuse relay box, located left rear of engine compartment. If it's still lit, ... If it's all of the brake lights, I'd lean towards the brake light switch, but just to eliminate the recon tails as the problem, I'd try ... My 3rd brake light was on, not full bright, but maybe 25-50% of its power. When I apply brake, it came 100% with 2 side brake light and when I release brake ... It seems to me that you may have an issue with the brake light switch. I have seen it before where the switch fails internally and provides ... I went back and checked front and back brake again. Turned out the back brake was getting very slightly stuck, just enough to keep the light on. Are the tail light bulbs dual filament with the brake lights using same bulb, are you sure both bulbs are in sockets properly and not bridging ... 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.