One of the bulbs is burnt out. Replace the bulb.
Your "turn solenoid" is defective.
my turn signal indicator flashes rapidly but the actual turn signal does not flash only on one side
may have bad bulb
one or more bulbs for the turn signal have burned out....try replacing the bulbs
usually means you have a turn signal bulb in the front or rear burnt out.
You could be hitting the flash feature on the turn signal arm when you use it.
One of you signal lamps is probably burned out. Turn on the signal and walk around the car, bet-ya you find one turn signals isn't lighting up. Some times it is a bad connection at the bulb. The bulb sockets are cheaply made.
Turn signal indicators are lights. The flash to tell you, or indicate, that a turn signal is on, and which way the lights are flashing.
When any turn signal on a vehicle flashes more rapidly than normal, then that means that a signal light on the side that is blinking is burned out. It could be either the front of back. You should check your signals to see if one is burnt out. The brake however should not affect this - you could have a short.
You need to replace the turn signal bulb. When bulb is burnt out the turn signal will flash faster.
Burnt out bulb.
Your turn signal probably is not flashing because the turn signal lightbulb is burnt out. You could also have a loose wire on the turn signal.