Why Car Indicators Not Working?

Issues with the car indicators not working aren’t restricted to the five we are discussing here. However, these five are the foremost commonly faced by car owners. In fact, you’ll find these issues in vehicles of all sizes – hatchback, sedan, truck, SUV, minibus, and more. So, let’s discuss this one by one and see the way to fix blinkers on your car. 

Why Car Indicators Not Working?

Here are the problems experienced by people.

1. Turn Signal Not Working:

It is one of the foremost common blinker problems in vehicles and therefore the fix for it’s quite simple. Check the bulb – through the engine bay if front; through the boot if it’s rear. you’ll also roll in the hay by removing the lens. confirm that the 2 filaments of the bulb are connecting and therefore the glass isn’t dark already. In either case, simply replace the bulb. Also confirm that the socket is in fine condition, just in case there’s corrosion, you’ll get to replace it.

2. Hazard Light Malfunction:

Odds are that the hazard lights are within the same circuit because of the blinker lights. So, the case might be one among these:

  • Faulty hazard light flasher.
  • If the flasher is ok, it might be the fuse.
  • A bad connection at the blinker switch.
  • A loose connection within the circuit that connects the blinker switch and therefore the flasher.
  • An electrical open circuit/ short in external lights wiring.

If the explanations are either of the primary two, you’ll get to change the flasher or the fuse, within the remainder of the cases, you only got to set the connection right.

3. Blinker Lights Don’t Work:

There also can be a situation when neither of your signal lights is functioning. In most cases, it’s a blown fuse or a defunct flasher. In other cases, it could even be a faulty signal switch. You’ll fix these can easily using your car’s repair manual.

Apart from these, there could even be other problems like damaged bulbs or corroded bulb sockets. If you’ll check the bottom connection of the bulb. If you can’t, confirm you catch on checked by a mechanic. Besides, it could even be an open or short that’s easy to repair yourself.

4. Turn Signal Flush Malfunction:

If the blinker lights and emergency lights have stable lights, you ought to check a burned-out bulb first. If not, test the blinker flasher and check the blinker switch. At the primary step, you would like to spot wires and therefore the best thanks to accessing the signal switch electrical connector.

This can be a potential reason for the car indicators not working. Besides, confirm that you simply disable the system to avoid airbags inflating if your car has them. In fact, the manual features a detailed guideline for every particular model.

5. Turn Light Don’t Close:

The reasons for this failure could be either the canceling finger inside the switch is broken or the canceling cam/clockspring is broken. For the previous problem, you would like to exchange the switch and for the other, and exchange the cam or assembly, counting on your specific model.

In the majority of cases, solving this problem isn’t too difficult. Besides, the car owner should consult the repair manual for the actual car make and model. Asides from that, if your model has airbags, you’ll get to disable the system for safety reasons because of the symptom above.

6. Turn Signal With Varying Flash Speed:

Changes within the flashing rate of the blinker lights aren’t common and hard to note together with the blinker problems. Just in case this occurred after replacing the flasher or one among the sunshine bulbs, you want to have installed the incorrect sort of flasher or bulb for your vehicle model.

Alternatively one among your light bulbs must have burned out. A burned-out bulb may cause the indicator light to flash faster. Other problems can cause a slower or faster change within the flashing rate:

  • A loosely connected blinker switch.
  • Poor power connection or grounding at the lamps.
  • If they’re flashing faster than normal, the alternator could also be overcharging the battery.
  • If they’re flashing slower than normal, the alternator could also be undercharging, or your battery could also be undercharged.

8. Dashboard Turn Indicator Don’t Flush:

You may know there must be something wrong together with your blinker lights because the indicator lights on the control panel illuminate but don’t flash as was common.

  • Firstly, check if your turn lights work properly. If they are available on but don’t flash, the flasher unit is presumably bad.
  • If one of your signal lights doesn’t come on, then you check the bulb.
  • Check the bulb socket for damage or corrosion.
  • Check for poor ground at the socket.
  • Check for an open within the circuit, between the sunshine that doesn’t work and therefore the blinker switch.

9. Turn Indicator Don’t Work, But Turn Signal Does:

One problem of blinker problem, you’ll encounter is that your indicator lights don’t work, but outsides the turn lights work just fine. Besides this can be the reason for the car indicators not working. Possible reasons can be the following.

  • Bad ground.
  • Problem with the flasher unit.
  • Blown out indicator bulbs.
  • Corroded bulb sockets.

How To Fix blinker Problem?

Follow the below instructions for fixing the car indicators not working.

Why signal lights aren’t working?

So the way to fix the turn signal? to start with, you would like to park the vehicle on level ground with the engine “OFF”.

Step 1:

Make sure to not start the engine while turning the key to the “ON” position. The electrical system is going to be powered up for testing.

Step 2:

Locate a fuse panel or the facility distribution center (PDC) to see all system fuses. you would like to concentrate to locate exactly where the fuse is.

Step 3:

When a blinker flasher or replay fails the blinkers won’t operate or come “ON” but stay up. The direction signal system aims to work with a flasher or blinker unit which interrupts the signal which caused the blinking action.

Step 4:

When a blinker switch is fake, the system will short or go “open” leading the blinker to not operate. Then, you employ the test light to check input and output power circuits.

Step 5:

In case the module features a problem various lights won’t operate and it must be updated or reprogrammed, a lighting module is employed for controlling purposes.


These are the issues and straightforward step-by-step guidelines on troubleshooting the car indicators not working. If you’ve got been regular with the service schedule and follow the upkeep tips for your car, these blinker problems won’t be recurrent.

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