Headlamps provide beams that allow drivers to see in times of low road visibility. At night, these lamps can either produce low beam, which is used when there is oncoming traffic, and high beam, which is suitable on one way roads as it gives a widely distributed light that may blind other divers. Headlamps vary in types. There are sealed beam headlamps which require replacement of the entire sealed beam when the filament burns out. There are also those that are mounted into the car or are considered part of it. These types are called lens-reflector assemblies that just require the bulb to be replaced when it fails. It was widely used in North America in the late 1980s. The way bulbs are accessed and replaced is the prime factors of the different variations.
How the headlamp is aimed must checked and adjusted frequently. Misaimed lamps are ineffective and cause hazards while driving. Headlamps require occasional maintenance as the lens may get cloudy resulting to less illumination of road in times of low visibility. Abrasion to the lenses due to road particles that corrodes with them can lead to small cracks allowing water to get in. This eventually leads to oxidation inside the lamp. Once the reflector inside the lamp is oxidized, it loses its luster, thus, losing its reflective properties. It can also happen when bulbs of higher wattage is used. It can be remedied by using car polishes and sanding can restore the lamps’ shine. There are cases, however, wherein complete replacement is necessary. Constant polishing also damages the lens as it strips off the protective coating of the lens, leading to faster deterioration.
The wiring that controls headlamps can also crack or snap. This causes the lamps not to function at all. The broken wires can be replaced to fix the problem. Another way is by installing a wire harness to be able to get the headlamps back into function.
Proper care and maintenance of headlamps clears you of many road hazards and can bring you to you, and your car as well, in your destination in once piece.