No brake lights

2001 PONTIAC MONTANA
298,000 MILES
Avatar
MOMMA O
  • MEMBER
  • 1 POST
On dash panel both blinker light indicators light up. when vehicle is in park blinkers work front and back. When driving with headlights no lights at all at the rear but everything at the front works! Any ideas? Has this happened to anyone else?
Apr 7, 2019 at 8:13 AM
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.
Advertisement
Avatar
STRAILER
  • CAR REPAIR CONTRIBUTOR
  • 54,189 POSTS
Hello,

It sound like the DRL module has gone out. but to be sure here is a guide to help check the power output and the brake light wiring diagrams so you can see how the system works with the DRL module location and instructions on how to fix it below:

https://www.2carpros.com/articles/how-to-check-wiring

Check out the diagrams (below). Please let us know what happens.
Images (Click to enlarge)
Attached Media
Attached Media
Attached Media
Attached Media
Attached Media
Apr 8, 2019 at 1:31 PM
Advertisement