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A car's headlights grow yellow or cloudy over time due to the breakdown of the protective layer on the lens. That contamination can cause your headlights to be dimmer—and therefore less safe. One way ...

It's quick and easy to get the yellow, cloudy residue off your headlights, making your car safer and better looking. I love two-seater, RWD convertibles and own a 2004 Mazdaspeed Miata for pavement ...

When driving at night or in foul weather, you need your headlights. Unfortunately, they fail sometimes, and you need to replace them. Without them, you might not be able to see, and it’s undoubtedly ...

The polycarbonate plastic headlight lens on your car or truck degrades from the moment it leaves the factory. Air pollution, airborne grit, and ultraviolet light take the shine off and then discolor ...

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 ...

Elana Scherr: These LED Headlights Are Too Bright What Are HID Headlights? Replacing a broken headlight is—in most cases—a reasonably easy thing to do on your own. Not only will doing this task ...

Headlights are a defining feature of a car’s design. If you’re able to identify a car by its lights alone, even when 98 percent of a car is shrouded in the pitch black of night, then the design’s a ...

Ready-made wiring harness and relay kit makes it easy to add relays to a motorcycle headlight. Adding a relay can improve headlight output, reduce load on switches and allow higher wattage bulbs to be ...

The “Bikemaster” brand HID headlight kit is available in several different bulb types. We installed the H4 kit on the Suzuki DR650 (blog) but the steps are the same for every bike. The HID bulb posed ...

Seasoned motorcyclists sometimes do things that are far beyond our understanding, like riding close to the yellow line or wearing too much leather. Similarly, if you've ever spotted a motorcycle with ...