Following... I had to stop every hour or so to wipe off my factory LED fogs and headlights last snow storm. Love the lights with the exception of them not melting snow. I found a few companies that have stick on 12v heater elements (like the rear window defroster) but they didn't appear to be...
I did 1000+ miles towing 2500# with a full payload in the bed last month, and the temps stayed pretty normal. Right around 205 for the most part, oil and coolant temps would rise a little now and then but never saw anything above 215. This was in 95 degree heat and half in the hills of Kentucky.