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headlights

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How to Use Car Headlights
Headlights are not only an important safety component on your vehicle, but also a feature that you are legally obligated to use. Failure to use your headlights while driving at night comes...
Symptoms of a Bad or Failing Headlight Switch
If the high beams, daytime running lights, or headlamps are not working consistently, you may need to replace the headlight switch.
How to Install Offroad Lights on Your Vehicle
When you’re pounding through backcountry trails after the sun goes down, you need more than just your headlights to illuminate the road ahead of you. Offroad lights...
How to Replace a Headlight That Has Burned Out
From time to time, some parts on your car may need to be replaced, and that includes the bulbs in the headlights. While you may...
How Long Does a Headlight Bulb Last?
With all of the different relays that are on a car, it can feel like a full-time job keeping up with them all. One of the most important safety features that a...
How Long Does a Headlight Closure Relay Last?
With all of the different relays that are on a car, it can feel like a full-time job keeping up with them all. One of the most important safety features that...
How to Clean and Restore Headlights
Even owners who regularly clean and maintain their vehicles are not immune to wear on their headlights. As the vast majority of headlights are made of plastic, they require...
How Long Does a Headlamp Dimmer Switch Last?
Most drivers neglect to realize just how many systems have to work together to make driving at night possible. Among the most important things that you will have to possess when...
Car Hacks That Will Change Your Life
Simplify your drive with these car hacks: use a shoe as a cupholder, put a stocking on a windshield wiper, and prevent door dings with pool noodles.
How to Add Headlight Covers
A current trend in the automotive industry is to blackout a vehicle. That includes tinting the windows dark, installing black nameplates and emblems, black rims, and black tinted light...
How to Adjust Your Headlights
If you have ever cursed an oncoming driver because their lights were blinding you, or noticed that your lights tend to illuminate the tops of roadside trees instead of the road,...
How to Clean Headlight Covers
When your headlights become foggy, you can’t see as well at night and others aren’t able to see you as clearly or as far away. Cleaning them ensures your lights are bright...
What Does the Adaptive Lighting Indicator Warning Light Mean?
The adaptive lighting warning light means there is an issue with the automatic function for the front car headlights, which could be caused by dirt.
How to Use Your Car Lights to Stay Safe and Legal
s various lights in appropriate situations, makes driving safer for you, your passengers, and other drivers. In addition...
How Long Does a Headlight Door Motor Last?
Making sure that all of the systems on a car stay in good shape is not an easy job. There are a number of systems on a car that are built to ensure that you stay safe while...
What Do the Headlight Indicators Mean?
Headlight indicators help you know if your headlights, taillights, and high beams are on for your car.
How Headlights Are Tested and How Yours Can Be Improved
According to the Insurance Institute for Highway Safety (IIHS), about half of fatal roadway crashes happen in the dark, with about a quarter of...
How to Replace the Headlights on a Toyota Prius
Your headlights are one of the most important safety components for your car. A broken headlight bulb can endanger yourself and others on the road.
How to Replace a Headlight Closure Relay
Your headlights depend on the headlight relay located in your vehicle’s fuse box. Occasionally these relays need to be replaced.

Related questions

Question
My headlights won't turn off
A fault in the circuit, such as a stuck closed (fused) switch or relay is causing the circuit to stay powered on even after you have commanded the circuit off through the combination switch. To isolate the faulty component, please...
Question
Can you use 100% brighter Xeon single bulbs in low and high beam
Hello, and thank you for writing in. Every vehicle is different, and without the make and model of your vehicle it is almost impossible to tell. Considering that you have 4 separate bulbs, you will want to match the wattage...
Question
When my high beams are turned on, not only do they not work but my low-beams also turn off.
Hello. You likely have an issue with your steering column multifunction switch. The steering column multifunction switch is in control of all the lights on the dashboard, the tail lights, as well as the headlights. It is likely your multifunction...
Question
Aftermarket headlamps, right parking light, and left parking light dashboard messages are on.
The message is on for the lights are not completing a circuit from the switch to the lights. Check all of the wiring on the lights and see if all of them are plugged in properly. Then look for any...
Question
My headlights doesn't seem to work good.
The issue with your lights is the ballast resistor is not working properly. Ballast resistors are designed to monitor the amount of voltage to the headlights. If the lights are dimming out and then not working, then the ballast resistor...
Question
Weird electrical problem
Hello, thank you for writing in. The electrical circuits that relate to both of these systems are crossing at some point. This may be an issue with the body control module, the fuse box, the bulbs, or the electrical wiring....
Question
electrical issue - Interior lights flicker when headlights are turned on.
Any time when lights are flickering, there is a loose ground wire or a short. If the headlights are turned on and the interior lights are flickering, then either the ground wire in the steering column is loose or there...
Question
Headlights
Hello, and thank you for writing in. When dealing with this kind of electrical issue, the easiest and fastest way to track down the issue is with a voltmeter. This way you can trace down where you have power, and...
Question
I changed the lightbulbs on my cars headlights but the driver side headlight won't turn on...
Hello. Ironically, I happen to have a 2000 CLK 430 as well and I experienced an almost identical scenario as you did. I had a fog light out on my vehicle, thinking it was a bulb I went ahead and...
Question
Why are my headlamps not working in auto mode in my 2013 Scion FRS
Hello. When this occurs it is typically because of a short in the body control module. This is a common failure in this module and causes the lights to not function correctly. It may also be the switch itself, though...
Question
Headlights won't clear- foggy
Hello. The foggy substance on your headlights is known as oxidation. Normally it will only form on the outside of the headlight but at times find its way to the inside due to moisture. To clean the oxidation on the...
Question
When I turn my headlights on my windshield wipers come on and they don't stop. Also the right side headlight get very dim.
Check the ballast resistor for the headlights and see if it has a burned wire or loose connection. If not, then the ballast resistor needs replaced for the headlights. A ballast resistor will balance the power to the headlights ensuring...
Question
Lights flickering when the throttle is pressed and the turn signal is on.
The issue seems to be with the multi-function switch for the turn signals. The switch is shorting out inside it on the high beam selector which is effecting all of the lights. I recommend replacing the multi-function switch. If you...
Question
Interior and headlights flashing and charging 14.7 or so.
If the lights are flashing constantly, then there is a short between the flasher unit and the turn signal and highbeam circuit that is causing the issue. If the lights are flashing a little and looking like a flicker, then...
Question
How do you replace the headlight bulbs in a 1990 Dodge Dynasty
You would need to open the hood and locate the back of the lights. Then with using a large pair of needle nose pliers, turn the lights counter clockwise and the lock to the bulbs will come off. Then pull...
Question
What is the part number for the part that adjusts the aim of the headlights?
The OEM part number for the driver side (left) headlamp assembly that contains the adjusting mechanism is 55156351AK. The adjusting mechanism is not vended separately. The OEM assembly is about $300 and the aftermarket assembly (sold on Amazon for instance)...
Question
As soon as I start up the car and I press the brake I hear a beep sound and my right low beam headlight goes out.
The chime that you are hearing is for a brake light or a headlight that is burned out or shutting off. The brake system could have a problem and shorting out with the headlight circuit and the right headlight could...
Question
I want my headlights replaced by the new brighter ones I have them.
Hi..thank you for your question: the service to request is headlight bulb replacement. At the latter page, you will see a "Get a Quote" link. If you click on that and fill in your vehicle data, this will be scheduled...
Question
Both headlights went out (not at the same time) for 2013 Cadillac ATS. Checked fuses looked ok. Could both halogens go out at arou
If the bulbs are both the same age, it would not be exceptional for them to fail at around the same time. A standard halogen headlight bulb could operate as long as 1,000 hours or so. A long life bulb...
Question
I am trying to fix my headlight but there is left over aluminum stuck in the connector. Will that cause a fire?
If there are left over pieces of broken metal material left in the connector, these may cause a short if they contact any other metal surface. If this is not the case, you may be okay but it would be...

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