look in your fuse box for the flashers, should be a silver or black square little box plugged in ,turn your blinker on and if it is clicking fast remove and go to an auto parts store with old one and replace it . it don't sound like a short.My turn signal keeps blinking fast. One bulb is out when I check it, but I can just hit it and it works fine again. The connection is good. Should I just replace the bulb or is more likely to be a short?