The first headlight I ever replaced was in a 1954 Chevrolet. The six-volt sealed beam produced a soft yellowish light, barely as much as a standard 25-watt lightbulb. Throughout my 50-year auto ...

From the 1920s to the 1970s, cars came with the same nondescript incandescent (sealed beams) headlights. Brighter and replaceable halogen headlights were introduced in the 1970s, and even brighter ...