If it works occasionally then you probably have a loose connection at the bulb.
Defective turn signal switch.
usually this is a bulb burned out on the left side
Chances are good that the left turn auto return paw inside the steering columb is broken. If the turn signal handle doesnt automaticly return when you complete a left hand turn using the signal indicator before you start the turn then that sounds like that's the problem. Time to hit the shop.
Every time you turn left or right, or switch lanes on a highway you should use your turn signal in your car.
If your left turn signal is stuck, I recommend you have it looked at by a repairman.
What is the corresponding hand signal for making a left turn?
May be a problem with the switch in the steering column
The turn signal switch is on the left.The turn signal switch is on the left.
when a green arrow points to the left :]When you are turning left as directed by a traffic signal left turn arrow.
Normally this is caused by a weak ground at the left turn signal bulb.
Could be turn signal flasher
You turn the turning signal up to go left and down to go right. You turn the turning signal up to go left and down to go right.