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Why do my headlights stop illuminating at the same time?
Why are my headlights not working at the same time?
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Why are my low beam headlights not working?
Do headlights burn out together?
Why are my HID headlights not working?
Feb 12, 2023 · Why would both headlights suddenly go out? Usually, it’s caused by a mechanical failure. The most probable causes are either a defective relay or switch. You can troubleshoot both to see which one needs to be replaced, as they come with similar symptoms. How much does it cost to replace headlight wiring?
Several factors like wiring issues, blown fuses, blown relays, and burn-out bulbs can cause both low beam headlights stopped working. Luckily, how to diagnose headlight problems is straight to the point and easy to understand. Follow the diagnosing procedures above to track and rectify the root cause of the problem.
- Blown Fuse. So, you may already know this, but fuses are actually safety devices that are there to protect the electrical circuits in your car. They work by having a small piece of wire that melts and breaks the circuit if the current flowing through it becomes too much.
- Faulty Relay. A relay is like an electrical switch that opens and closes circuits, either with mechanical or electronic magic. In your car, relays take charge of the high current that powers the headlights, letting them turn on and off.
- Worn-Out Headlight Switch. This is the switch with which you turn on and off the headlights, if they aren’t automatically turned on and off when you start or stop the car.
- Damaged or Corroded Wiring. If the wiring to the headlights gets messed up or corroded, it can stop the electrical current from reaching the headlights.
Aug 19, 2022 · Why do my turn signals stop working when I turn on my headlights? There are a couple possibilities, but it's most likely electrical. There could be a fault with a switch, something going wrong with the voltage, or possibly some damaged wiring.
Aug 5, 2024 · The most common reason why both headlights stop working relies on the relay harnesses. Because the relay harness essentially controls both lights simultaneously while other components such as ballast, ignitor, or the bulbs completely work as independently.
What should I do if both headlights stop working at the same time? If they stop working simultaneously, check the fuse, relay, wiring, or headlight switch, as these commonly control both lights. How can I clean foggy or oxidized headlight lenses?
Are your headlights not working? Know causes and how to diagnose headlight problem. Read on to learn how to track and fix headlight issues.
