Swapping your car’s headlights to LED can sharpen your night vision, modernize the look of an older vehicle, and cut electrical load, but the upgrade is not as simple as dropping new bulbs into old ...

The headlights in my 1993 Nissan 240SX used to cost $8 apiece for the simple, sealed-beam units you could swap out in about 10 minutes in your driveway with a Phillips screwdriver – no trip to the ...