Brake light switch location

1998 GMC C1500
202,000 MILES • 5.0L • V8 • 2WD • AUTOMATIC
Avatar
JJ4808
  • MEMBER
  • 1 POST
No brake lights
Aug 3, 2025 at 4:53 AM
Advertisement
Avatar
STRAILER
  • ✓ASE Certified Mechanic
  • 54,832 POSTS
  • ASE Certified Mechanic
The brake light switch is located near the top of the brake pedal arm. Here is an image of the switch. I would check the MAXI fuse#2 30 amp in the fuse panel under the hood. Also, there is a stop lamp control relay in the same fuse panel I would swap out.

This guide can help as well

https://www.2carpros.com/articles/brake-lights-not-working

Check out the images (below). Please let us know what happens.
Image (Click to enlarge)
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Aug 3, 2025 at 12:39 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.