What causes both tail lights not working?

Dislocated or Damaged Wiring Damaged or disrupted wiring can cause tail lights not to work, but brake lights are. The two lightings use different wiring as each bulb has got its power supply. So, the breaking lights might be working if their wires are not damaged.

Why does my tail lights keep turning off?

If the tail lights are on when the vehicle is off, there could be a few causes depending on the vehicle, including a broken brake light switch or brake light switch stopper, faulty trailer light plug, or a broken wiring harness. First, check if it’s the tail lights or the brake lights.

How do you check a tail light connection?

Test the tail light bulb socket with a digital multimeter Touch the black probe to a clean metal surface. Then probe the two terminals in the socket. You should see +12 volts. If the test light doesn’t light, power isn’t getting to the socket.

What to do if your tail light is not working?

The use of flashlight can help you identify the tail light fuse. After identifying the right fuse, you need to remove and inspect it. When the metal found inside the fuse is intact, the fuse is okay. However, a broken wire indicates that the wick is faulty.

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.

When do you need to replace tail light bulbs?

You need to replace bulbs if they have got darkened or the filaments are blown. Choose the new bulbs of the same type and wattage. In most European cars, the same bulb does the job of the tail and brake lighting. However, it has double filaments, allowing one set still working while the other set is burnt.