Check for blown fuses. If the fuses are good, check the relay, usually in a box under the hood. You may need a volt meter, and possibly a 9 volt battery to do this.
If both turn signals stop working at the same time in both the front and rear of the car, there are two main causes. First, the fuse might have blown, or second, the mechanical or electrical connections may have gone bad.Ê
If the turn signals on a car works but the hazard lights do not there may be a problem with the flasher switch. The flasher is located in the steering column, and a damaged unit can cause the lights to stop working.
One fuse controls the function of the hazard, reverse, and turn signals of the car. When there fuse blows all the components stop working.
It means one of the lights is burnt out or loose and is not working. Turn on the turn signals and get out of the car and see which bulb is not working. Replace that bulb.
AnswerDefective emergency lights flasher relay.I had the same problem and I had to buy a new turn signal switch that you have to take off the steering wheel to get to it
If turn signals are not blinking on the dashboard but they are still working, the cause might be a burned out bulb in one of the blinkers on the outside of the car. There might also be a fuse burned out or bulbs burned out in the dash. Even the flasher can be the problem in this situation.
Check the fuses on the car, or the signal bulbs.
A car that has working headlights and turn signals, a working horn and brake lights, and enough room for the examiner in the passenger seat. It will also need current registration and insurance.
The turn signal flasher is going bad. Pretty common. The part is available at most auto parts stores, finding the flasher module, and replacing it can be difficult. The manufactures like to hide them.
Often a fast-flashing turn indicator (inside the car) means either the front or rear turn signal bulb is burned out. Check the actual turn signals and see if they are working. If not, just replace the bulb.
The cluster connector needs cleaning. Take off the cluser and clean connector and grease with dielectric grease.
Buick was the first American car company to offer flashing turn signals in 1939.