Replace the whole lamp, the reflector needs to be made for LED, otherwise you will blind everyone around you and you wont have the focused cone that you can use to actually see stuff at night. LED light spreads in a different manner than halogen light, and you cant make a reflector that works for both for this reason.
If working on a 94 or earlier GL1500, replace the black plastic trim and the two screws holding it in place. 41. Holding the rubber back on each mirror, slide each mirror cover back into place. 42. Once in place, gently push each of the mirror cover clips until it latches onto the fairing. 43.

Research indicates that in 2019 around 86% of cars used LED bulbs in their headlights, an increase of 31% from 2018. But LED bulbs can only be used in projector headlights and continue to be unsafe to use in reflector headlights. Vehicle headlights have certainly come a long way since traditional tungsten filament lamps.

Remove the three pin socket on the back of the existing incandescent H4 bulb and extract it. 4. Fit the replacement LED H4 bulb unit taking care to locate both ends of the clip correctly and not

One of the brighter available H4 (9003) bulbs available, and because it is a proper filament bulb unlie LED chipsets, the light gathers properly onto the headlamp reflector so the beam pattern is proper and does not cause glare since an LED chipset is unable to exactly duplicate the manner that the light it produces hits the reflector.

Comprehensive guide to LED Headlight upgrades. For H4 replacement LEDs, there seem to be two types. One is the multi sided type, that keeps it simple with either 2, 3 or 4 sides in a unit. One side acts as a low beam by illuminating only the top part of the reflector, while the other side illuminates the top part of the reflector to create the tgMOD. 18 14 320 316 12 471 52 253 301

can i replace h4 bulb with led