Flasher relay problem

2003 FORD EXCURSION
175,000 MILES • 6.8L • V10 • 4WD • AUTOMATIC
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SODAPOP65
  • MEMBER
  • 1 POST
Flasher relay will not stop clicking. All lights and turn signals work properly. Replaced flasher but no change.
Jun 23, 2018 at 7:33 AM
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STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 54,178 POSTS
Hello,

I would cycle the hazard switch many times to clean the switch contacts. Next I would remove the trailer tow relays one at a time to see if that affects it. Here is a blinker wiring diagram so you can see how the system works. Let me know if you are not on a phone and cannot enlarge the diagrams I will send larger ones.

Here are the relay and fuse panel locations as well.

Check out the diagrams (below). Please let us know what happens.

Cheers, Ken
Jun 24, 2018 at 1:04 PM
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