[Fulltiming]

Since the front clearance lights are subject to water hitting them head on at speeds of 60+ mph during rain events, many folks use a silicon sealer around the newly installed lights to help prevent moisture from getting behind the light and entering the inside of the coach. It does make it a pain to remove the light for replacement but hopefully when installing LED's after they have been on a few minutes to an hour to get past infant mortality, they will work for many many years.

A previous owner did this on my coach and in almost 10 years of my ownership, no leaks through or near the clearance lights.