When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Check your headlight switch. sometimes the rheostat (that's the spring for the dimmer) goes bad. I've seem them melt. New ones are cheap. Have you checked the bulbs?
How did you check the fuse? Many a fuses look good but break at the ends.
Changing the headlight switch is a pain (over an hour's successful work), so double checking the fuse would be good.