V8-5.7L,Turn signal problem

A couple weeks ago I noticed that my right turn signal was clicking faster then my left turn signal . To this day it's still doing the same thing then recently my right rear turn signal doesn't flash or blank anymore whenever I use the right turn signal. All of the bulbs is working because when I turn on my headlights I can see the whole tail lights light up . Do you know why my right turn signal isn't flashing or blinking ?

My car has 72700 miles.
My car has an automatic transmission.