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How to get the hazard light to stop flashing

Tiny
KENNY HARMS
  • MEMBER
  • 2003 FORD WINDSTAR
  • 3.8L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 180,000 MILES
After I changed my alternator and serpentine belt, I connected the battery cables and the hazard lights were flashing the only way to stop them is to take off the positive battery cable. I have looked for blown fuses, I have pulled every relay, I have locked and unlocked the drivers door with my key. I have looked behind the glove box for a relay there is not one. I cannot keep driving with the flashers going on. What is my next thing to check?
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Tuesday, January 9th, 2018 AT 9:49 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,418 POSTS
Hello,

It sounds like you had a voltage spike that took out something like the instrument cluster which happens. I would try to remove the cluster and unplug it to see if the hazards stop flashing. Here is a hazard light wiring diagram so you can see how the system works. (Below)

Check out the diagrams (Below)

Please let us know what you find. We are interested to see what it is.

Cheers, Ken
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Wednesday, January 10th, 2018 AT 12:24 PM

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