
Dual 27w LED offroad lights, they are on the high beam circuit, when on low beam its the stock low beam halogen, when i flip to bright the stock headlight shuts off and the LED's get turned on.
As far as projection, it's all in the lens. My pair are actually two different lights, one is a flood and one is a long range pencil beam driving light. The flood really lights up the area directly in front of and to the sides and the pencil beam reaches out just as far if not farther then my stock 55w high beam did with a lot more light distribution.
Converting the trikes that were AC systems, any of the trikes that have lights but no electric start are generally AC only and yes they rely on the bulbs to regulate the voltage so if one bulb blows the other will shortly after due to the increase in voltage, isn't too hard to do though with a simple rectifier/regulator. You can use a very simple rectifier without regulation if you use LED lights that are rated for a wide range, mine are good for 10-30v, but getting a combined rectifier/regulator costs about $10-$15 and its a easy rewire.
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1984 Honda ATC200ES "Big Red"
1982 ATC200E "Hondie"
1988 TRX300FW "Project Quad" Still in progress....