Why do my tail lights not work but my brake lights do?

Why do my tail lights not work but my brake lights do?

One of the main reasons why you might see your brake lights working while your tail lights don’t is because the bulbs installed in the tail light were faulty. You should run some tests to make sure if the bulbs are the main culprit or not and to do that, you will need to remove the tail light cover.

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 are the symptoms of a bad brake switch?

What Are The Symptoms Of A Faulty Brake Light Switch?

• 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.
• Brake Lights Stay On Continuously.
• Bad Cruise Control.
• Car Won’t Turn On.
• ABS Warning Light Comes On.

Can turn signal switch affect brake lights?

A bad turn-signal switch may interrupt the brake light circuit when it should not. A broken wire to or from the switch may also cause the lower brake-lights not to work. The third brake light does not flash with turn signals. This is why a bad turn signal switch will not affect it.

Why do my brake lights only work sometimes?

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. If you keep these tips in mind, most brake light problems will be easy to diagnose and fix on your own.

What causes brake lights not to 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 it illegal to drive with a 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.

Why won’t my brake lights turn off?

A Faulty Brake Light Sensor or Switch: If your vehicle’s brake switch is not working properly, the brake light may not be turning off. Additionally, it also may not be turning on. The first thing that you need to do to troubleshoot this issue is to check the fuse and then check your brake switch.

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

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.

What will a bad brake light switch cause?

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. This can cause the Check Engine or ABS system warning light to come on on the dash.

Is there a fuse for brake lights?

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.

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

The Light Bulbs 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.

Why is the third brake light out but the lower lights still work?

If only the third light is out and the lowers still work, see if it will flash with the emergency-flashers. If the inoperative third light flashes, with the emergency flashers, a fuse is the most likely cause.

Why do you put brake lights on your car?

The number one reason why your car is fitted with brake lights is to keep you and other motorists safe. These pair of lights is the only way you can communicate with them by letting them know when you are slowing down or how far your car is far from them.

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.