My left turn signal will only work for the rear light and flashes fast. I thought it was the front bulb, so I replaced it and it still doesn't work. It's actually, the dash, side mirror and front turn signal. The rear works. I checked the fuse and they are good. I replaced the flasher relay and it still doesn't work. Also, if I engage my emergency lights, they all work (front, rear, mirror & dash board indicator) Any ideas?