Check bulbs - they are double filamented smaller is for turn and brake lights
You have blown a fuse, look for an acc. fuse out.
locate the fuse box under dash and look for brake lights replace with the right amp fuse. the fuse you pull out will have a number on it that is the apms fuse you will need to replace
The brake lights on a 1993 Topaz are typically controlled by the fuse labeled "STOP" in the fuse box. The fuse box is usually located under the dashboard or in the engine compartment. If the fuse is intact and the brake lights still do not work, you may need to check the brake light switch and bulbs.
The fuse for the brake lights on a 2004 Cadillac CTS is located in the fuse box, which can be found under the dashboard on the driver's side. Look for a fuse labeled "Stop" or "Brake" in the fuse panel diagram. If the fuse is blown, replacing it should restore functionality to the brake lights. Always consult the owner's manual for specific fuse locations and ratings.
Look in e-brake area.
Open the fuse panel along the drivers door side of the dash. Look on the back side of the cover for the fuse location for the brake lights. Pull the fuse and check for a shorted fuse.
Look in your owners manual you will find every fuse on the car and what each fuse does as well as the fuse watt.
If you look under the dash by the brake petal there is a fuse box and a diagram is on the cover of it.
Look at right of hand's brake
there is a brake switch under the brake pedal. This is a button that pretty much controls the break lights. you might need to replace this or look through the fuse box under the hood. (blue 15) is the fuse that powers the brake lights.
check the fuses..sounds like you have a blown fuse for the brak lights. look in the fuse box it's located there.