Diagnose dead headlights with our step-by-step troubleshooting guide. Learn to check fuses, bulbs, relays, and wiring—plus upgrade tips for reliable LED replacements.

So, what’s so special about H7 headlight bulbs? Surely all headlight bulbs are basically the same, right? Well, you’d be surprised just how many types of headlights there are and how they perform ...

From screw-in bulbs and colorful LED strips to table lamps and outdoor string lights, check out the best smart lighting we've tested for illuminating your space and setting the mood. I'm PCMag's ...

I ordered from the Autodrome seller and got the upgraded V3 one. I was running the older Osram 6000K 25W H4 LEDs in my amaze since 2021, but the low beam in one of the bulbs conked off suddenly a ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

The headlamp recycles up to half of its materials from old LED headlamps. Credit: Stellantis. Stellantis and Valeo have introduced Europe’s first remanufactured LED headlamp alongside a remanufactured ...

Shopping for replacement halogen headlight bulbs can be confusing, with a plethora of options available. We break it all down for you here. Shopping for replacement halogen headlight bulbs can be ...

If your car came from the factory with halogen or HID bulbs, you’re going to need to replace them or upgrade them down the line. Both of these bulb types lose light output over time; thus, even if ...

While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to use it.” ...

Having a solid pair of LED headlights can transform the look of your car and visibility. They beat traditional stock headlights, and even upgraded halogens. This is due to having a higher lumen count, ...

The basketball world changed the day Los Angeles Lakers great Magic Johnson announced he was HIV positive in November of 1991. It took Johnson almost a year later before he fully detailed the ...