What causes the brake lights to not work?

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. All of these issues are easy to troubleshoot.

Is there a fuse for rear brake lights?

The tail light fuse may be located in either the fuse panel in the front passenger side of your vehicle or in the main fuse box under the hood. Once you’ve opened either the panel or the main fuse box, locate the tail light fuse. If you’re unsure which one it is, use the owner’s manual for guidance.

Where is the fuse for the brake light switch?

power distribution center
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. Never heard of the power distribution center? It’s just the technical name for a fuse box.

Does each brake light have its own fuse?

If your lights don’t illuminate on either side and your brake light switch is good, then the next thing to check is the brake light fuse. Locate your vehicle’s fuse box, which is usually under the hood or on the kick panel inside the passenger compartment. If it has, replace it with a fuse of the same resistance.

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

What Are The Symptoms Of A Faulty Brake Light Switch?

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.

How do I fix my brake lights not working?

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.

How do you check a brake light relay?

Place the sensor on just one of the two wires and hold the brake pedal down as you do so. Then test the other wire. If power is connected and the switch is working properly, the test bulbs will illuminate. If it doesn’t light up, the brake light switch is faulty and will need to be replaced.

How do I know if my brake light switch is broken?

Brake light switch problems If the switch is bad, the brake lights won’t operate and the transmission shifter will not come out of the “Park” position. In cars with a push-button start system, a faulty brake light switch can cause the vehicle not to start.

What happens if your brake light switch is bad?

A faulty brake light switch can cause many problems. If the switch is bad, the brake lights won’t operate and the transmission shifter will not come out of the “Park” position. In cars with a push-button start system, a faulty brake light switch can cause the vehicle not to start.

How can you tell if a brake light switch is bad?

Brake lights stay on One of the symptoms commonly associated with a bad brake light switch are brake lights that stay on at all times. If the brake light switch shorts internally it may cause the brake lights to stay illuminated, even when the pedal is not being pressed.

Why are the brake lights not working on my Chevy Tahoe?

Brake lights are one of the most critical safety features that your Chevy Tahoe has. They let other drivers know when you are slowing down, and that they need to slow down too. If your brake lights aren’t working, you’re way more likely to get rear ended than normal.

Why are the brake lights not working but the tail lights are?

Blown out light bulbs are the most common reason for why the brake lights not working but the tail lights are. Remove the screws from the bulb lens (which you can access through the trunk or see your vehicle repair manual to get the exact location). Push the bulbs and turn them counterclockwise to remove from the socket.

Is it dangerous to drive with brake lights not working?

Driving at night with either brake lights or tail lights not working is dangerous for you and other drivers on the road. It takes a long time to notice when the brake lights not working but tail lights are or vice versa. It is so because you won’t know what is happening in the backside while driving until someone points it out.

Why does my third brake light not work?

Jim, common problem. If your third brake light works either way but the rear brake lights stop working when the truck is on its a faulty ground wire to the stop lamp relay. Other things use that ground when the key is on so its not strong enough then to activate the armature within the relay.