![]() ![]() Ultimately, if you replace a bulb and that doesn’t work, then you have to test the fuses and the wiring. If your replacement headlight bulb doesn’t work Check out other DIY car maintenance projects anyone can do. Most times, changing a headlight is straightforward and doesn’t require taking your car to a mechanic. With the new bulb in place, your headlights should once again be as good as new, and you can once again enjoy driving your car day or night. Gently screw in the new bulb without touching the glass of the bulb oil and dirt on your hands can cause the bulb to burst once it heats up. “So you have to see how it’s hooked up, gently take it apart and then you have to reverse the procedure going back together without putting your fingers on the glass of the bulb,” he says. If you break the clips that are used here, though, you’ll need to take out the whole headlight, Zullo warns. This means seeing how the bulb is locked in and carefully unlocking it. However, if you can open the headlight, it’s then just a matter of changing the halogen bulb. Sometimes the battery or the air filter housing is in the way and sometimes you have to take the inner fender out and get behind it. “Some cars you can get right to the bulb, but with some cars you can’t,” he says. ![]() Unscrew the old headlightĮvery car is different, Zullo cautions. Push down the clip or cap holding them in place. There are usually three wires attached to the base of the lightbulb. Disconnect the headlight bulb power wires Pop your car’s hood and locate the headlight holder, near the front of the car. To ensure safety, turn off your car and take the keys out of the ignition. How to change a headlight bulb in 5 stepsĬheck your owner’s manual for details on how to change the headlight in your specific vehicle, as well as what headlight bulb to purchase. “When you hit it, you’re shaking the filament and, if this makes contact, it actually lights up.” This can at least enable you to make it to an area where you can have the light repaired, he adds. “If it goes on, that means the filament is burnt out,” Zullo says. One quick test, if you don’t have a bulb handy or if you are out on the road when you notice the headlight issue, is to pull over and tap the light with your fist, which sometimes will make it go on, he says. If one is out, 90% of the time the light will go back on by simply replacing the bulb, says Emilio Zullo, owner and technician at E & L Automotive, in Ossining, N.Y. First, put your headlights on to see if it’s just one light that’s out. Check if the headlight bulb is outĭetermining the cause of a headlight issue begins simply by observing. Knowing how to change a headlight and what to look for when the front of your car goes dark can help you quickly remedy the problem. All headlights are designed to provide a well lit driving path when natural sunlight is not enough.Working headlights are essential for driving any car safely, but they occasionally go out. LED bulbs operate at a lower temperature and the light shown on the road tends to be lower than HID bulbs. HID bulbs use two electrodes within the bulb that charge the gas to produce the light. Halogen bulbs have a gas that allows for additional light. This allows the most useful pattern of light to be cast onto the roadway. Some car models are sold with headlight options and a mechanic may rely on your car’s VIN to determine the type of headlight system in your vehicle.Īll headlamps rely on reflectors in the lamp housing to focus the headlight bulbs. There are many types of headlight bulbs in use today including sealed beams, halogen plug-in bulbs, LED (light emitting diode), and HID (high intensity discharge) bulbs. They rely on the vehicle’s electrical system for power. Headlight bulbs are encased in a carefully designed housing that illuminates the roadways and makes your car visible to other drivers and pedestrians. What are headlight bulbs and how do they work? ![]()
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