Replacing Car Headlight Bulbs With LEDs: What to Check So the Upgrade Is Legal and Actually Brighter
LED bulbs are one of the most popular lighting upgrades for older cars, and one of the most commonly done badly. The promise is brighter, whiter light for the same socket. The reality depends on the housing, the wiring, and whether the beam pattern still lands where it should. A few checks before buying prevent a bulb that glares at oncoming drivers while lighting the road no better than before.

