One of the bulbs is burned out. Turn on the blinker and look at the front and back turn signals to find out which one.
That's usually an indication of a burned out bulb.
your rear bulb is blown - replace the bulb The turn signal blinks fast because the bulb is going out. That is also why the others dont blink.
Usually when the turn signal indicator in the car blinks fast is because one of the bulbs is blown. Check to make sure all your indicators are working when you turn on your left blinker. There are at least 3, front.. mirror... and rear.
This may very well be a problem with your ground connections at that turn signal.
often the blinker is made to blink faster when there is a bulb burned out
Bulb is burned out.
Change the front turn signal light bulb. It's bad.
A. check and make sure all the bulbs are working. B. someone may have replaced the blinker itself with a aftermarket one that blinks at a diff rate.
It sounds like you have a turn signal bulb out probably the left rear.
flasher will not flash when circuit is open or shorted replace left front turn signal bulb
You have a blown bulb either front or rear.
Look from the outside. Either the front or back bulb is burned out.