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Turn signals quit working

Tiny
SSCARBER
  • MEMBER
  • 2007 HYUNDAI SANTA FE
  • 3.3L
  • 4WD
  • AUTOMATIC
  • 188,000 MILES
My turn signals randomly just quit. No indicators, no clicking, nothing. I checked the fuses and the bulbs and they were all fine. Flashers still work fine. I replaced the ICM relay box and that solved the problem form about a day and now they are right back to not working again. I ran a scan on the the car and came up with no codes.
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Thursday, April 30th, 2020 AT 9:31 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,536 POSTS
Hello,

I would try cycling the hazard switch which can clean the contacts. also we need to check the flasher relay. here is a guide to help and the blinker wiring diagrams so you can see how the system works:

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Check out the diagrams (below). Please let us know what happens.
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Friday, May 1st, 2020 AT 1:04 PM

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