Why Is Only My Third Brake Light Working?

by | Last updated on January 24, 2024

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If the

inoperative third light flashes

, with the emergency flashers, a fuse is the most likely cause. If it does not operate with the flashers, bad bulbs or sockets in the third-light are likely.

Why would one brake light work and not the other?

If you have a single brake light out and the bulb is good, then the next step is to

check the light socket itself

. Brake light problems can include a socket whose connections are dirty or corroded, or one whose wiring has become worn to the point where it’s only making an intermittent connection.

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.

Do all three brake lights have to work?

Federal law mandates that

all vehicles have the third brake light outfitted within the car

. Additionally, the third light must be comparable to the other brake lights on the vehicle so that it is not distracting to the drivers behind the vehicle.

Where is the fuse for 3rd brake light?

Should be a 10amp fuse labeled VEH CHMSL (center high mounted stop light) In

the interior fuse panel on the left side of the dash

.

How do I know if my brake light relay is bad?

  1. Your Brake Lights Don’t Light Up. Your brake lights are supposed to turn on when you push down on the brake pedal, giving a heads up to the driver behind you. …
  2. Brake Lights Stay On Continuously. …
  3. Bad Cruise Control. …
  4. Car Won’t Turn On. …
  5. ABS Warning Light Comes On.

Is there a fuse for each brake light?

Like all fuses, the brake light system fuse

can be found in the power distribution center

, which is under the dashboard or tucked away underneath the hood. … If, however, the test light illuminates when the connection is only pressed against one side of the fuse, the fuse is faulty.

Do tail lights and brake lights use the same bulb?

On many vehicles,

the tail lights and brake lights share the same bulb

. One filament inside the bulb is for the tail light and the other filament is for the brake light. There are also some vehicles that have a separate bulb for each circuit.

What do you do when your brake lights don’t work while driving?

Answer: If the brake lights don’t work,

check the fuse for the circuit

; take a look a the brake light switch and, if necessary, the multifunction switch. You can test the brake light switch with a test light.

Is it illegal to drive with brake light out?


No brake lights penalty

If you have a single brake light out for example and the police officer is of reasonable mind, they may simply pull you over and give you a verbal warning to get it fixed as soon as possible.

Is it illegal to have flashing brake lights?

Re: Flashing brake lights.


They are legal in NSW

.

Where is the 3rd brake light?

The position of the third brake light varies according to different cars. Usually, you can find it installed

inside the back glass of the vehicle

. It can be located in the car’s deck lid. For a few trucks, the third brake light may be located on the spare wheel carrier.

Is there a fuse for third brake light?

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.

Where is the fuse for the third brake light on a 2014 Silverado?

It should be in

the I/P fuse panel on the left side of the

dash.

What is Chmsl in fuse box?

Definition. CHMSL.

Center High Mounted Stop Lamp

.

Rebecca Patel
Author
Rebecca Patel
Rebecca is a beauty and style expert with over 10 years of experience in the industry. She is a licensed esthetician and has worked with top brands in the beauty industry. Rebecca is passionate about helping people feel confident and beautiful in their own skin, and she uses her expertise to create informative and helpful content that educates readers on the latest trends and techniques in the beauty world.