Why is my high beam working but not low beam?

Why is my high beam working but not low beam?

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.

What would cause low beam headlights not to work?

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.

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.

How much does a headlight relay cost?

A headlight relay generally costs less than $30 for just the part itself. Of course, the exact cost will vary depending on a variety of factors, such as the year, make, and model of your vehicle.

Are high beams and low beams on the same fuse?

Like all electrical systems, the headlights in your vehicle have a fuse in the circuit to prevent too much electricity from reaching the bulb. There will also be a headlight relay that switches power from the low beams to the high beams. If the fuse goes bad, you likely won’t have any headlights at all.

Why is my high beam not working?

By far the most common reason your brights will stop working is from a blown fuse or a bad relay. Or, it could be a bad relay. If the headlight relay has failed, it may not respond when you attempt to switch the high beams on. Replacing the relay should restore the system and get your high beams working once again.

How can I tell if my headlight relay is bad?

Headlights Don’t Turn On The most common sign of a bad headlight relay is headlights that don’t work. A headlight relay will typically fail in the open position, preventing voltage from reaching the headlights. If the low beam relay fails, the low beams won’t work.

Why are the high beams on my Subaru not working?

Or, it could be a bad relay. If the headlight relay has failed, it may not respond when you attempt to switch the high beams on. Replacing the relay should restore the system and get your high beams working once again.

What to do if your high beams aren’t working?

If the high beams aren’t working on your car, you may want to slow down at night when the road gets winding, so you don’t strike any unseen obstacles. To drive with confidence again no matter how dark the road gets, get your high beams working again at Carter Subaru Ballard.

What makes a car have a high beam?

Most cars on the road today have manual high beams that you activate yourself — but more and more modern cars are coming with automatic high beam technology. Using advanced sensors, the car monitors the level of ambient light and detects oncoming traffic.

Why is my high beam fuse not working?

Under the hood, a fuse box holds a variety of fuses and relays hooked up to all sorts of electrical components throughout your car. If the high beam fuse has blown, it’ll need to be replaced and the circuit will need to be inspected for problems. Or, it could be a bad relay.