Why my headlights are not working?

The likely cause is a fuse, headlight relay, headlight switch, dimmer switch or a wiring fault. About the only cause that is an easy fix is a blown fuse. Consult your owner’s manual to locate the main fuse for the headlight circuit and replace that fuse with one having the same amp rating.

What would cause my headlights to stop working?

Most total headlight failures are caused by a bad component like a fuse, relay, or module. Wiring problems can also cause both headlights to stop working. … The cause: A burned out bulb, or a problem with the high beam switch or relay. The fix: Replace the bulb, switch, or relay.

How do you diagnose headlight problems?

Headlight Fuse Keeps Blowing Out

  1. Unplug the light, pull the switch, and see if the fuse blows. …
  2. Make sure you have purchased the correct wattage of bulb.
  3. Ensure that you do not have a faulty or damaged bulb.
  4. Check and see if your high beam bulb is the issue. …
  5. Check all wired connections and look for any exposed wiring.
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Is there a fuse for headlights?

Most headlight systems are going to involve a fuse, switch, relay, and bulb. … This relay is the connection between the battery of your car and your headlights. There are also fuses involved to protect the rest of your electrical system should there be a shortage.

How much does it cost to fix your headlight?

According to aftermarket parts retailer AutoZone, the average cost of a halogen bulb is about $15 to $20, while HID bulbs typically cost $100 or more. Addison says the average cost to replace an entire headlight assembly is $250 to $700.

How do you fix low beam headlights not working?

4 Steps to Fix a Low Beam Headlight Bulb

  1. Find the blown out bulb. …
  2. Buy the replacement bulb. …
  3. Get your tools ready. …
  4. Disconnect the negative terminal on the battery. …
  5. Remove the trim pieces. …
  6. Find the headlight holder. …
  7. Disconnect the cables from the headlight. …
  8. Remove the headlight bulb from the bulb housing.

What are the symptoms of a bad headlight relay?

Symptoms of a Bad or Failing Headlight Closure Relay

  • Headlight doors don’t open. One of the first symptoms of a failed headlight closure relay is headlight doors that don’t open. …
  • Headlight doors stuck open. …
  • Headlight doors operate erratically and open or close on their own.

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Why do my low beams not work but high beams do?

2. Headlight Fuse or Relay is Bad. Like all electrical systems, the headlights in your vehicle have a fuse in the circuit to prevent too much electricity from reaching the bulb. … However, if the relay goes bad, you won’t be able to switch between high and low beams.

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Why does my driver side headlight keep going out?

There are several reasons why your bulb would continue to burn out prematurely. The first thing you want to check is that you are wiping any oils from your hands off of the bulb. If you are handling the bulbs with your bare hands, the oils transfer to the glass, and the heating up of the oils will burn out the bulb.

Why would low beam headlights not work?

Headlight Fuse or Relay

If a headlight fuse blows, it could cause the headlights to stop working. Most headlight systems are also designed with a relay that switches the power between low beam and high beam headlights. If this relay goes bad, it could allow power to the high beams, but not the low beams.

How much does it cost to replace a headlight relay?

$79.99 – $89.99

Any relay that supplies power to an electrical system that is used as frequently as the headlights are is going to need replacing eventually; you may even need to do it more than once in the lifetime of your vehicle.

How do you fix headlights that won’t turn on?

My Headlights Won’t Work

  1. Inspect the headlights to make sure the filaments are not broken. …
  2. Check the headlight fuses in the car’s fuse box. …
  3. Check the connectors, wiring harness and socket into which the headlight bulbs are plugged. …
  4. Pull out the headlight relay if the headlights still do not work.

How much does it cost to fix a headlight fuse?

The cost to have a fuse replaced depends on the style of fuse used in the make and model, and the power requirement. Most common fuses are only $10 to $20, although some specialty fuses are more than $100 to replace, in addition to diagnostic costs.

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Does Autozone install headlight bulbs for free?

Does AutoZone Replace headlight bulbs for free? If it’s required to remove parts of the care, such as the windshield wiper fluid or battery, then Autozone will not replace the bulb for you. Autozone doesn’t offer mechanic services, though they are able to replace headlight bulbs in certain situations.

Can you drive with a broken headlight?

In most states, it is required by law that headlights must be used from sunset to sunrise. … It’s also law that a motor vehicle (unless it’s a motorcycle) must have two headlights. Therefore, if you have a headlight burned out, it is possible (and likely even probable) that you’ll get pulled over.

Can you replace a headlight yourself?

Fortunately, it’s often easy to change a headlight. … They can be quickly popped out from behind the headlight housing, unplugged from wiring, and swapped for a working bulb. But in order to change a headlight, you must first identify the type of bulb you need. The first place to look is in your owner’s manual.

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