This is just my opinion but I see more leds light on cars trucks and over head street signals burned out than conventional filament lights. In all the years I have have a Honda and Jeep I have only changed out 4 bulbs. On my conversion I a put on all new clearance lights and just put 24v bulbs in them. Bought all the bulbs on www.Bulbs.com
. A 75 cent bulb is cheaper than a whole new led unit. The 24v stuff is out there you just need to look little harder. The military still uses it. If going from 24v to 12v use diodes or put in relays instead if you really need to go to 12v.