The ignition switch needs to be on because on a normal install, in my experience, the power to the flasher is from an Ignition "ON" fused source. Turn signals don't work when key is off.
If you have them direct wired, that should be OK. It's not the way it's done.
LED's have extra problems like a special second flasher and other issues that make troubleshooting more difficult. I should learn to ask right away if there are LED's involved. I'm not up on those and don't want to be. So I can't help you.
Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn
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