Tail Lights Not Working However Brake Lights Are? (How To Repair)

The longer you personal your car, the extra seemingly it's that you simply’ll run into electrical issues. Whereas these issues often include burnt bulbs and blown fuses, sometimes, they will get a bit extra difficult.

Don’t fear; when you’re wired and anxious about the price of repairs, the reply is often extra simple than you assume. Beneath we break down the commonest causes your taillights don’t work, however your brake lights nonetheless do.

Índice de Contenido
  1. 6 Causes of Taillights Don’t Work However Brake Lights Do
    1. 1. Dangerous/Improper Bulbs
    2. 2. Blown Fuses
    3. 3. Defective Management Swap
    4. 4. Wiring Points/Dangerous Grounds
    5. 5. Corroded or Broken Sockets or Plugs
    6. 6. Dangerous Ambient Daylight Sensor
  2. Tail Mild Troubleshooting Information
  3. FAQs
    1. Is there a fuse for the tail lights?
    2. Are you able to drive with no tail lights?
    3. Do tail lights and brake lights use the identical bulb?
    4. How do you test your individual tail lights?
  4. Abstract

6 Causes of Taillights Don’t Work However Brake Lights Do

The most typical cause why your tail lights will not be working however brake lights are is because of a foul or incorrect kind of sunshine bulb put in. It may also be attributable to a blown fuse, dangerous wirings, or corroded sockets or plugs. A defective management mild swap may be in charge.

Whereas these will not be the entire potential causes, it’s the commonest ones. Here's a extra detailed listing of the commonest causes when taillights don't work, however brake lights do.

1. Dangerous/Improper Bulbs

Rear Light Bulbs

Brake lights usually use a twin filament bulb, and it’s potential for simply a kind of filaments to interrupt. When that occurs, you’ll get operate out of 1 aspect of the bulb, just like the brake mild, however not the taillight.

Moreover, many manufactures use separate bulbs for the taillights and the brake lights. If the taillight bulb burns out, you’ll want to exchange it.

Lastly, should you simply swapped out the bulbs, the issue could be that you simply’re utilizing the incorrect ones. Some individuals assume that if it matches, then it’s the precise bulb. That’s not true. For those who nonetheless have the previous bulbs test the half quantity and evaluate it to the substitute bulbs.

For those who’ve already ditched the previous bulbs, test your proprietor’s guide or Google to attempt to discover the right bulb to your car! Remember that the model doesn’t matter, however the half numbers must be cross-compatible should you’re switching manufacturers.

2. Blown Fuses

Fuse Box Electrical

Whereas you will have a number of burnt out bulbs, the extra seemingly possibility is that your car has a burnt-out taillight fuse. All that you must do to test is find your car’s fuse field and test the fuse with a check mild or a multimeter.

For those who don’t have both, you merely take away the taillight fuse and take a look at it. For those who can’t inform if it’s burnt out, swap the fuse with one other fuse with the identical amperage. If the issue strikes, then the fuse is the issue!

Whenever you’re getting a brand new fuse, all the time use the right amp fuse. It may be tempting to up the amperage to make sure that it doesn’t blow once more, however an excessive amount of amperage can result in greater issues if the fuse doesn’t shield the system prefer it’s purported to!

3. Defective Management Swap

Car Light Switch On

At dwelling mechanics typically overlook it, nevertheless it’s one of the crucial frequent causes your taillights will cease working. The management swap within the cab of your car tells your taillights while you need them on, and if the swap isn’t working the way in which it ought to, you’ll by no means get your taillights on!

When this half is defective, you'll most frequently additionally lose the entrance parking lights.

4. Wiring Points/Dangerous Grounds

Broken Wire

Wiring points are the bane of many mechanic’s existences. They could be a ache to troubleshoot and pinpoint the precise downside, however that doesn’t cease them from cropping up once in a while. Damaged wires crossed traces, and extreme corrosion are all frequent points, particularly for older autos.

5. Corroded or Broken Sockets or Plugs

Light Bulb Socket

In case your car’s taillights aren’t sealing correctly, then the whole lot inside will get uncovered to the weather. Whereas this may result in issues throughout, probably the most susceptible space is the socket itself. These sockets can rust and corrode after they get uncovered to the weather, resulting in all types {of electrical} issues.

Everytime you’re changing a bulb, you must take a look at the socket itself to see if it’s in fine condition. If there's corrosion, use a wire brush and WD-40 to wash the socket. Nonetheless, if the injury is dangerous sufficient, you’ll want to exchange the socket.

6. Dangerous Ambient Daylight Sensor

Ambient Daylight Sensor

Fashionable automobiles have computerized parking lights when it's darkish outdoors. Which means they may shut off if there's daylight. That is completely different in several components of the world, however have you ever ensured that it's simply not too mild outdoors to your tail mild to return on?

Nonetheless, it may also be attributable to a foul ambient mild sensor, which tells the automotive when it must be time to mild up the taillights. This sensor is commonly situated within the entrance windshield and it's not quite common that it'll go dangerous.

Tail Mild Troubleshooting Information

Car Diagnostic

Whenever you’re troubleshooting issues, that you must KISS it. Not actually, in fact, however that you must preserve it easy silly!

It’s Occam’s Razor in its easiest kind; the best reply is often the issue. Earlier than you begin digging into wiring harnesses and checking grounds, be certain the bulbs didn’t burn out and also you’re getting energy!

No energy often means a blown fuse, nevertheless it may imply a defective swap too. These three issues, bulbs, fuses, and switches, make up 95% of {the electrical} issues related to taillights.

Even higher for you, they’re additionally the best to troubleshoot and repair! Nonetheless, when you’ve dominated these three issues out, you may transfer onto the subsequent two. First, begin by checking for energy on the socket, however with a recognized good floor.

Whenever you’re checking for energy, be sure you’re getting good contact with the steel terminal within the socket. If corrosion or the rest is protecting the terminal, you’ll want to wash it off first. If you find yourself cleansing the terminal, attempt the bulb once more, the issue may need been the corrosion!

However, should you’re getting energy and there’s no corrosion, it’s seemingly a floor situation that that you must remedy. For those who aren’t getting energy, repeat these steps on the fuse. If the fuse is getting energy and the socket isn’t, you've got a wiring situation between the socket and the fuse.

Nonetheless, if the fuse isn’t getting energy, test for energy on the swap. As soon as once more, in case you have energy on the swap and never the fuse, the wiring fault is someplace in between. However should you’re not getting energy to the swap, then the issue is someplace between there and the battery.


Is there a fuse for the tail lights?

Sure, there's a fuse for the tail lights for many automotive fashions. Some automotive fashions actually have a fuse for either side. To seek out the fuses that you must discover the fuse field, however it's not all the time simple to search out. Generally it's situated within the trunk, below the hood, and even below the dashboard. You will need to test your proprietor’s guide to see the place the fuse is situated.

Are you able to drive with no tail lights?

No, you can not drive with no tail lights. It's not protected and it's in opposition to the regulation in most states and international locations. When you've got an issue along with your tail lights, you must get them fastened as quickly as potential. driving with out tail lights is harmful as a result of different drivers will be unable to see your automotive as effectively, and so they might rear-end your automotive. Additionally, should you get pulled over, the police will ticket you for having no tail lights. So it’s simply not value it to drive with out them.

Do tail lights and brake lights use the identical bulb?

It relies on the make and mannequin of your car. In lots of instances, the brake lights and tail lights will use the identical bulb. Nonetheless, there are additionally some autos the place the brake lights and tail lights use separate bulbs. For those who’re not sure which kind of setup your car has, it’s greatest to test your proprietor’s guide.

How do you test your individual tail lights?

You'll be able to test your individual tail lights by them from behind your automotive. Simply activate the ignition and activate the headlights. They need to be on when the headlights are on, and they need to be off when the headlights are off on most automotive fashions.


Nothing is extra irritating than electrical gremlins. However with somewhat automotive know-how and a fundamental understanding {of electrical} ideas, there’s no cause you may’t observe down the explanation to your defective lights!

It may appear overwhelming at first, however {most electrical} points are low-cost to repair, and don’t come again should you do the job proper the primary time! Even higher for novice mechanics, they’re points you may usually shortly troubleshoot and repair your self!

¡Más Contenido!

Leave a Reply

Your email address will not be published. Required fields are marked *

Go up