![Couple months old GTS taillight, running lights and signals work but brake lights not working. Both sides. What are the causes for this? : r/F30 Couple months old GTS taillight, running lights and signals work but brake lights not working. Both sides. What are the causes for this? : r/F30](https://preview.redd.it/couple-months-old-gts-taillight-running-lights-and-signals-v0-v6af1gbc3rca1.jpg?auto=webp&s=c60e847375818a50755153a5c57be21d357c9860)
Couple months old GTS taillight, running lights and signals work but brake lights not working. Both sides. What are the causes for this? : r/F30
![4 Simple Reasons Why Brake Lights Work and Tail Lights Don't - Car Understanding - Share Tips, Guides & Reviews 4 Simple Reasons Why Brake Lights Work and Tail Lights Don't - Car Understanding - Share Tips, Guides & Reviews](https://carunderstanding.com/wp-content/uploads/2017/06/tail-lights-not-working-but-brake-lights-are-damaged-RH-tail-light.jpg)
4 Simple Reasons Why Brake Lights Work and Tail Lights Don't - Car Understanding - Share Tips, Guides & Reviews
![4 Simple Reasons Why Brake Lights Work and Tail Lights Don't - Car Understanding - Share Tips, Guides & Reviews 4 Simple Reasons Why Brake Lights Work and Tail Lights Don't - Car Understanding - Share Tips, Guides & Reviews](https://carunderstanding.com/wp-content/uploads/2017/06/tail-lights-not-working-but-brake-lights-are-1.jpg)
4 Simple Reasons Why Brake Lights Work and Tail Lights Don't - Car Understanding - Share Tips, Guides & Reviews
![4 Simple Reasons Why Brake Lights Work and Tail Lights Don't - Car Understanding - Share Tips, Guides & Reviews 4 Simple Reasons Why Brake Lights Work and Tail Lights Don't - Car Understanding - Share Tips, Guides & Reviews](https://carunderstanding.com/wp-content/uploads/2017/06/tail-lights-not-working-but-brake-lights-are-car-fuse-box-1.jpg)
4 Simple Reasons Why Brake Lights Work and Tail Lights Don't - Car Understanding - Share Tips, Guides & Reviews
![4 Simple Reasons Why Brake Lights Work and Tail Lights Don't - Car Understanding - Share Tips, Guides & Reviews 4 Simple Reasons Why Brake Lights Work and Tail Lights Don't - Car Understanding - Share Tips, Guides & Reviews](https://carunderstanding.com/wp-content/uploads/2017/06/tail-lights-not-working-but-brake-lights-are-burnt-out-tail-light-bulb.jpg)