HOT headlight Switch? Don't know why

Thank you all for the quick responses. We have the super bright headlights. This wire gets so hot it glows! I've reached out to @crackedback in hopes to order that from him. This is driving us bananas!
What do you mean? Is this an actual brand name headlight? Is it an LED, or what?

CURRENT DRAW is the clue. As Rusty indicated, if these draw more current than originals, then adding relays is the answer