ABS light on and brake lights not working after mechanic replaced heater core

1999 DODGE DAKOTA
192,589 MILES • 3.9L • V6 • 2WD • AUTOMATIC
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RAY MUELLER
  • MEMBER
  • 1 POST
I had a mechanic replace my heater core sat and ever since. then all my rear lights work except my brake lights. he had to pull the whole dash off to replace it. Now he’s avoiding me and my ABS and brake warning lights are on now.
Sep 3, 2019 at 12:46 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,512 POSTS
Hello,

It sounds like a ground may have been left off. To be sure lets run the ABS codes to see what comes up. here is a video to show you how:

https://youtu.be/rTtAnsOlZU4

Please run down this guide and report back.
Sep 4, 2019 at 11:04 AM
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