Turn signal flashes too fast

Tiny
JEFFHASKINS
  • MEMBER
  • 2009 FORD FUSION
  • TURBO
  • 2WD
  • MANUAL
  • 60,000 MILES
Emergency lights working normal.
Saturday, February 20th, 2021 AT 3:23 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Hi,

Oftentimes, the flashers will blink fast if one of the bulbs is bad. Have you checked that? It will flash normally on hazard, but double time when signaling.

As far as a flasher, this vehicle doesn't have a traditional flasher. It is controlled through what is called the smart junction box (SJB) which is in the vehicle (driver's side). If you look at the pic I attached, it shows the SJB. I highlighted the signal power supply. Note there is no flasher relay. Check all bulbs. Also, let me know if it is both sides or only one side.

Let me know.

Joe
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Saturday, February 20th, 2021 AT 8:41 PM

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