Home » Guides » How To Tell If Headlight Bulb Is Bad

How To Tell If Headlight Bulb Is Bad

As drivers, we all know that it’s important to use our headlights when driving in the dark. But did you know that it’s also important to use headlights when it’s daylight? headlights work best when they are used in a balanced way, which means using them during the day as well as at night. If your headlight is not functioning properly, you may notice that it produces a harsh or bluish light. This is a sign that the bulb may be bad and needs to be replaced. In order to tell if your headlight bulb is bad, follow these simple steps: 1) Remove the headlight by loosening the screws around the perimeter 2) Remove the old bulb and replace it with a new one 3) Reattach the headlight by tightening the screws around the perimeter

What to look for when inspecting a headlight bulb

When inspecting a headlight bulb, look for these signs that it is time to replace it:
-The lightbulb appears to be burned out or damaged in some way
-It is difficult to turn the headlight on or off with the bulb in place
-The lightbulb flickers excessively when the headlight is turned on
-The lightbulb does not produce a clear, bright light when it is turned on

How to test a headlight bulb

When it comes to your car’s headlights, you want them to work as best as possible. One of the ways you can make sure they are working properly is by testing the bulbs. Testing a headlight bulb means checking to see if it produces light when plugged into a power source. If the bulb doesn’t produce light, it might be time to replace it.

To test a headlight bulb, first unplug the car from the power source and remove the cover of the headlight. On some cars, this may be done by removing two screws at the top of the headlight housing. Once the cover is off, look for a screw that attaches the light assembly to the housing and unscrew it. Next, remove the light assembly from the housing by gently pulling on either end while holding on to one side of the glass lens. Once removed, check to see if there are any broken or damaged pieces that would prevent light from coming out. If there are any issues with circuitry or parts that would prevent proper illumination, replace the headlight bulb immediately.

How to replace a headlight bulb

If your headlight bulb is not functioning, it’s time to replace it. Headlight bulbs are typically easy to replace, and the process is largely straightforward. Follow these steps to replace a headlight bulb:

1.Open the hood of your car and remove the front air conditioning unit. This will expose the headlight assembly.

2.Remove the headlight by gently prying it away from the housing with a flathead screwdriver. Be careful not to damage the lens or reflector.

3.Locate the light bulb holder on the housing and unscrew it using a Phillips screwdriver (the same type used for screws inside cabinets). The hold may have either two or four screws, depending on model year and assembly location..

4.The lightbulbholder will likely have one or two tabs that stick out of its side. Pry these tabs off with a small tool such as a needle-nose pliers and pull out the old lightbulb. Insert the new lightbulb in its place and secure with the screws that were removed in step 3..

5.Reinstall the headlight by reusing either one of the original screws or by using a new Phillips screwdriver to tighten everything down firmly using an even number of turns (counting from 1) around all circumference of panel.. Be sure to orientate arrow on top of housing so you can see which way light is coming out when unit is assembled back


If your headlights are giving you problems, it’s probably time to replace the headlight bulb. Headlight bulbs get a lot of use, so they’re bound to eventually burn out. If you notice that your headlights are brighter at night than during the day, or if they refuse to turn on no matter how hard you try, it’s likely time for a new headlight bulb. Be sure to replace the headlight bulb in pairs (one for each light), and make sure that the old bulb is fully removed before replacing it with a new one.