How to Make Sure Your Tail Lights Are Working Properly

How to Make Sure Your Tail Lights Are Working Properly

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LEDs have opened the door for more creative tail light designs. These designs use indirect lighting configurations that allow for a thinner and more uniform look.


A vehicle’s tail and brake lights are a very important safety aspect that help other drivers see you on the road. They are especially important during weather disturbances that affect road visibility, such as rain and snow. If you notice your tail lights are not working, you should immediately have them repaired because it can increase your chances of a rear end collision.

A light or pair of lights – usually red – mounted on the back of a car to show other cars that it is slowing down or stopping. Tail lights are most often used at night to improve a driver’s ability to be seen by other cars on the road. They can also alert other cars to a potential hazard behind them by lighting up brighter when the brakes are pressed.

The advent of LED lights offered new opportunities for tail light design. Because they are directional, they eliminate the need for reflectors and allow much thinner tail lights to be designed. However, the initial designs were pixelated and bright, a feature that many drivers found irritating. The emergence of indirect lighting configurations incorporating white diffuser material helped create more uniform night time design elements while still meeting DOT requirements.

The center high-mount stop lamp, or third brake light, is located at a higher point than the left and right tail lights. It is meant to serve as a fail-safe in case the brake lights are not functioning for any reason.


The rear light is not only a safety feature, it also helps to warn drivers that you are slowing or stopping. This can help to prevent drivers from rear-ending your vehicle and may even save their lives. The tail light is one of the least expensive parts on your car and it is important to check them regularly to ensure they are working properly. If you find that one of your tail lights is not working it is possible that the bulb has burned out. If this is the case it will likely need to be replaced.

There are many different types of rear lights on your car. These include the brake light, tail lights and signal lights. The brake and tail lights are usually illuminated by a separate bulb, however some modern cars combine the function into a single housing. There are also special lights called fog lights that are triggered when the headlights are on. These are used in heavy fog to illuminate the road and help other drivers see your car.

Some people think that cops touch car tail lights to startle the driver and give them a chance to tail light hide illegal items in the trunk before they approach the window for a traffic tail light stop. This is a bit of a myth, but it can help to deter criminals from hiding things in the back of the vehicle.


Tail lights are one of the least expensive yet most important parts of an automobile, as they help to keep us safe on our drives. It is essential to check the tail lights regularly for any signs of malfunction. It is also a good idea to replace them as soon as they burn out.

The most common problem with tail lights is a burnt out bulb. This is usually a fairly easy fix, as most tail lights have dual filament bulbs that allow for running and brake light functionality. If you notice that your parking lights work, but the brake light does not illuminate when pressed, have an ASE certified mechanic inspect the tail lamp to determine if a bulb has burned out.

Another issue with tail lights is faulty wiring. This can often occur when a tail light is installed aftermarket. In this case, a load resistor is required to prevent the bulb from burning out. If not properly fitted, the load resistor can overheat and melt insulation, leading to short circuits that can lead to fire hazards.

It is recommended to have a professional service your tail light once every year. This will help to ensure they are working correctly and are visible to other road users. In addition, it will also help you avoid the potential of being pulled over for a non-functioning tail light.


The tail lights on a vehicle are designed to last a long time, but they can be damaged by sunlight, road debris and harsh chemicals. If your tail lights aren’t working, it could result in an expensive fine from the local police department, so it’s important to check them regularly and get them repaired right away.

The most common problem with tail lights is that the bulbs burn out. If your lights aren’t working, check the fuse and wiring for damage, as well as the light socket. If the socket has discoloration, moisture, or corrosion, you will need to replace it with a new one.

It is also a good idea to replace the bulb every once in a while. Light bulbs are relatively cheap, so a replacement is a quick and affordable fix.

Changing the tail light bulb is a relatively simple process that shouldn’t take more than an hour to complete. It is a job that most any person can do on their own, but be sure to use a screwdriver and a socket wrench to remove the old bulb and replace it with a new one. Make sure to grab a set of gloves and a pair of protective eyewear, as well. Then, reinstall the light socket and light cover, and test your tail light.

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