Hello,
Okay, you are going to have to follow the signal. Since you know where the flasher is use a test light and check check to see that you have both power and it's grounded I have attached the diagrams for the circuit. Do you know how to read them? It's showing the grey wire should become hot when the turn signal is on and the light blue wire should become hot with the hazards. Use a test light for that. Then the black wire should be zero ohms use a VOM to test that. The purple wire should become flashing hot with either of them on. Do you have those tools? The diagram also show more than one fuse block so using the diagram get to those fuses with the test light and make sure the ones that matter are getting hot with the key on.
Let me know what you find.
Tom
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Wednesday, January 13th, 2021 AT 8:46 PM