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Brake lights and dash lights not working

Tiny
SCOTT'S
  • MEMBER
  • 1997 DODGE RAM
  • 5.9L
  • 6 CYL
  • TURBO
  • 4WD
  • AUTOMATIC
  • 300,000 MILES
My tuck has a Cummings turbo diesel engine in it. It is my first diesel, so a lot of it is foreign to me. But, electrical is electrical, and I cannot seem to find a root problem. I have no rear brake lights, but the one on the cab works. And I have no dash lights. The brake light fuse tests hot on both sides all the time. Are the two systems connected?
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Wednesday, August 24th, 2016 AT 6:20 AM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
You have to approach these problems separately and the path of diagnostics will tell you if they are connected or not. I doubt they are.

The lower two brake lights run through the turn signal switch so the turn signals can cancel the brake lights.

https://www.2carpros.com/images/external/62564886.gif
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Wednesday, August 24th, 2016 AT 6:30 AM

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