All four turn signals have stopped working.

check bulbs..if OK suspect faulty signal flasher relay. this guide can help fix it

https://www.2carpros.com/articles/turn-signals-not-working-blinker

Please run down this guide and report back.

its deff your relay switch, it happened in mine, cost 15$ to replace from advance auto

The same thing happened to my 2001 Durango. I replaced all the bulbs and fuses still not working. I will replace the relay switch then. Thanks for the information on how to fix this LEMON!