Signal lamps do not light or blink when lever engaged. 4-way flashers do work.
It could be that one of the flasher module for the turn signals is bad. There should be 2 flasher modules: one for turn signals, and one for four way flashers. Check you vehicles manual for a location on the flasher modules, or Google a query like "Location of turn signal flasher module on a *Year Make Model*". After you locate them, it should be as simple as going to an auto parts store and asking them for a replacement module. If that doesn't work, I could be the switch in the dashboard, or a more complex wiring problem. Make sure you check all of your fuses too. I would say that if you cant fix it by replacing the flasher module, you should take it to a mechanic because it is very easy to destroy wiring in your car.
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