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High Beams

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Do High Beams Use Separate Bulbs?
Your headlights have two settings – high and low. High beams are used when you’re driving at night on a deserted stretch of road, and offer much better visibility than low beams. However, they’re too...
What Do the Headlight Indicators Mean?
Headlight indicators help you know if your headlights, taillights, and high beams are on for your car.
How to Replace a Combination Switch Assembly
Combination switches include the control of turn signals, windshield wipers, windshield washers, and high beams. Faulty switches can cause accidents.
5 Essential Things to Know About Wildlife on the Road
According to the Federal Highway Administration, there are currently more than 8 million lane-miles of roads throughout the US, with over 6 million of those in rural areas. One important danger of...
4 Essential Things to Know About Your Car’s High Beams
Your vehicle has several different positions or settings for the headlights, and it is important that you learn how to use them appropriately and in the right situations. It is also important to...
How A Vehicle’s Headlights Work
The History of Headlights When cars were first being produced, the headlight was more of a lamp, with an enclosed acetylene flame which had to be manually lit by the driver. Those early...
How to Buy Good Quality Long Range Car Lights
Your car is equipped with two types of headlight functionality – low beams, which are used for general driving, particularly in areas with streetlights and oncoming traffic, and high beams,...

Related questions

Question
I turn my high beam headlights on and both headlights go out.
Hello, thanks for writing in about your Nissan Frontier. The only way to tell if it is the light bulbs or the switch is to check for power to the bulbs when you switch to high beam. Most of the...
Question
I use my turn signal and my brights come on
Hi and thanks for contacting YourMechanic. Your turn signal and high beams are working on the same switch. If you push the switch up and down, it activates the turn signals. If you move the switch in towards you, it...
Question
Flashing dashboard lights
The xeon type head lights will tend to flash or go dim and bright when they are going bad. Replace both front headlight bulbs at the same time. They will fail close to each other and one will be dimmer...
Question
Turn signal causing high beams to come on
The symptoms described lead me to believe that your Cadillac may be experiencing a failing combination switch. The Cadillac’s turn signal switch controls a variety of lights, as well as your cruise control, and receives more use than any other...
Question
Dim high beams; low beams only shine 60-70 feet
With this being a new 2016 Chevrolet Silverado 2500, if the mileage is still low enough to be under the manufacturer's warranty you may want to have the dealership look at it to make sure there is not an issue...
Question
High and low beams not working
Jeeps are known for having headlight switch issues. If fuses and relays are good, the headlight switch is the most likely culprit. If you need help with getting this fixed, consider YourMechanic, as a certified technician can diagnose the issue...
Question
Headlight malfunction
Hi, it is likely that you simply have a blown headlight on your 2009 Chevrolet Spark. There are low beam light bulbs and high beam light bulbs on your vehicle. Which bulb activates depends on the position of the headlight...
Question
Headlights don't work on low beam
Hello. Other than what you've already checked on your 2002 Dodge Ram 1500, there are only a few things that could cause the issue you're having. A faulty multifunction switch in the steering column, a faulty body control module under...
Question
The high beams won't work, and when I try to turn them on, all my other lights dim bright and the motor bogs down a little
Hi, thanks for writing in. The power for the headlights run through the switch on this truck (vs using relays to get full 12v to the bulbs. So the switch, or its connector plug has probably failed and must be...
Question
2007 Mustang Low-Beam headlight on only one side only comes on for 10 seconds then go outs, however high beams work fine!?!?
Hey there, thanks for writing in about your 2007 Mustang. The low beam circuit is monitored by the the Smart Junction Box. It's the fuse box in the right kick panel. Basically what this means is if the resistance, or...
Question
High beams not working on 2005 Pontiac GTO
In some cases, the connector can heat up if there is a short in the lighting circuit, and can melt on the inside creating a short that one can't necessarily see. The lighting circuits are controlled by the BCM or...
Question
My high beams dont work what could be the problem?
Hello and thank you for your question. The high beam switch sometimes tends to get stuck on low beams only. Check the high beam relay and see if it is clicking when the high beam switch is activated. If the...
Question
hi beams not working
Hello, thank you for writing in. Your issue with the high beams is electrical. It is very unlikely for both bulbs to physically burn out at once. The first step is to check the fuses and relays for the system....
Question
The high beam dash light stays on after the engine is shut off and the key is removed.
I suspect that the high beam headlight relay has burned contacts, and is sticking and "back-feeding" power to the high beam indicator. It could also be a problem with the digital dashboards GM put out during these years. Disconnecting the...
Question
High beam headlight not working properly.
Hi there. The multifunction switch is not working and needs replaced. Check the fuses are good, but if the high beams works on the temporally side of the switch, then the fuse to the headlights is working. The switch has...
Question
Driver side headlights are dim. When I flash brights, the engine dies.
Hi and thanks for contacting YourMechanic. First check the battery cables for a clean and corrosion free contact. If the battery is good, then there is a problem with the wiring in the steering column. There is a short crossing...
Question
my high beams wont go on
Hello. Thank you for writing in. The high beam light bulbs could absolutely fail at the same time. Its just highly unlikely unless there was a reason for them to blow. A reason such as a voltage spike. To start,...
Question
Fog lights not working says high beams are on. Multi function switch does nothing.
Hi there. The issue is with the multi-function light switch. I recommend replacing the multi-function light switch. What is happening is that the contacts on the switch are damaged and causing the lights to have no effect. If you need...
Question
Immediately after engine turns over power steering and dashboard loses power but comes back on after the car warms up.
Check to see if there is any loose wiring under the dashboard and if there is any loose ground wires. A loose wire will cause a circuit or multiple circuits to stop working. The wiring could be associated with a...
Question
Running really rough, not starting usually. Battery light came on. Car overheated. Headlights turn off when I put the high beams on.
Hi there. With the information given, it sounds like you accidentally put 3 bottles of Gas Heet (water / antifreeze remover) into the gas tank. There is to be only 1 bottle of Gas Heet to a full fuel tank...

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