New LED 3rd brake light stops working

Blown Fuse If all three of your brake lights stopped working, a blown brake light fuse may be the problem. In that case, you don’t need to replace the third brake light. To determine if the fuse is the issue, you need to check it.

Why is my LED brake light not working?

The most common reason why your tail lights are not working but brake lights are is due to a bad or wrong type of light bulb installed. It can also be caused by a blown fuse, bad wirings, or corroded sockets or plugs. A faulty control light switch could also be to blame.

How do you test the third brake light on a LED?

To test the power coming from the brake switch, wedge it down and use any of the following – a multimeter, a 12 volt probe (cheap), a neon or led bulb (some are designed for 12 v), a bulb from the auto store – look for one with pins, a cheap led from wherever (you’ll instantly blow the LED, but you’ll at least know you …

Why is my new brake light not working?

If one or more of your brake lights isn’t working properly, it could mean one of three things: The brake light system fuse is blown, the brake light bulbs are burned out or the brake light wiring switch is broken.

Is the 3rd brake light supposed to be on?

The third brake light goes on when the brake pedal is depressed. Often mounted in the trunk lid or rear window of an automobile, a third brake light is designed to easily be seen over the hood line of a following vehicle.

Why does my tail light work but not my brake light?

The electrical ground is one of the things you should also check if the taillights are working and brake lights are not. This could be the possible issue, especially when the brake light switch is functional. Check for bad electrical ground which may be a result of corroded or damaged wires.

How do you find a short in a tail light wire?
And find out where it says what that's for if it's for the panel light stop light hazard lights. That's where your short is it's inside that that's your situation.

How do you fix a dim LED brake light?
Now use the wd-40. Or contact spray and spray the connector. Wait until it reacts and dries up a bit and see if it's any cleaner. If not use the sandpaper. And remove the filth as much as possible.

How do you change a third brake light?

Pull the lamp housing straight out from the rear of the cab. Twist the bulb socket at the rear of the housing in a counterclockwise direction and pull it straight out of the housing. Pull the bulb from the socket and insert a new bulb. Replace the lamp housing in the reverse order.

How much is a rear brake light bulb?

Changing a faulty brake light is something anyone can learn to do. A replacement bulb costs about $10, and replacing it on your own will save about $20 in labor and the time it takes to travel to the shop and wait for the work to be done.

Do all 3 brake lights have to work?

Answer provided by

Three brake lights are required by law throughout the U.S., a regulation that was established in 1986 by the National Highway Traffic Safety Administration (NHTSA). A broken brake light is both a safety hazard to you and those around you and should be fixed as soon as possible.

What is the 3rd brake light called?

Center High Mounted Stop Lamp

The third brake light is officially called the Center High Mounted Stop Lamp (CHMSL), because the government is too serious to call it something awesome like the Cyclops Light.

Does the middle brake light have to work?

Answer: The state statute says that a vehicle equipped with stop lamps or signal lamps shall at all times be maintained in good working condition. So all brake lights, including the third one, would have to be operational when activated.

Can you drive with your third brake light out?

A third brake light system will illuminate your vehicle during the most extreme weather conditions. Even if you remain vigilant while you drive, you cannot control the actions of other drivers on the road. If your brake light is broken, however, your car will not properly signal tailing drivers.

Can you drive with only one brake light?

By law, you need to have both brake lights in working order. If your brake light is out, drivers may not be able to tell and it could cause a collision. It is illegal to drive with a brake light out.

What year did third brake light become law?


The National Highway Traffic Safety Administration (NHTSA) repeated Voevodsky’s experiment on a larger scale, and concluded that center high mounted stop lamps, as the government calls them, reduce accidents and injuries. As a result, in 1986, NHTSA began requiring all new cars to have a third brake light.

What is the purpose of the high Mounter brake light?

A Functioning High Mount Lamp Assembly Reduces Rear-End Collisions. With a high mount lamp assembly on every car, rear-end collisions become less common. Many different studies confirm that third brake lights reduce the likelihood of accidents.

Who invented the 3rd brake light?

John Voevodsky

John Voevodsky, a psychologist, was the first person to introduce the third brake light in 1954. In 1986, the National Highway Traffic Safety Administration (NHTSA) made the third brake lights, in cars, mandatory here in the United States and in Canada. Third brake lights became necessary for trucks in 1994.