- Blown fuse: Check the fuse that supplies power to the brake lights. A blown fuse will prevent the brake lights from working.
- Faulty brake light switch: The brake light switch is responsible for turning on the brake lights when the brake pedal is depressed. If the brake light switch is faulty, the brake lights will not work.
- Bad ground connection: The brake lights need a good ground connection in order to work. If the ground connection is bad, the brake lights will not work.
- Faulty wiring: The wiring that connects the brake lights to the power source and the brake light switch may be faulty. If the wiring is faulty, the brake lights will not work.
- Faulty brake light bulbs: The brake light bulbs may be burnt out. If the brake light bulbs are burnt out, the brake lights will not work.
