No rear blinker, brake or hazard lights

Tiny
GYPSIE COLLINS
  • MEMBER
  • 2003 LINCOLN NAVIGATOR
  • 0.5L
  • V8
  • 4WD
  • AUTOMATIC
  • 157,000 MILES
My rear blinkers, brake and hazards are not working. I have checked fuses, and replaced flasher relay and brake light switch. What could it be?
Friday, June 30th, 2017 AT 9:26 PM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

This sounds like you might have a wiring issue.
It probably has a short in the harness.
In order to find the short you will have to trace the wires using a multimeter.

Here are couple of helpful articles:

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

I have attached the wiring schematics for the exterior lights.

Please let me know of any questions.
Thank you.
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Wednesday, September 15th, 2021 AT 11:14 PM

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