My new headlight setup

Been there done that been victim of it?

Ayup, more than once. By nature most automotive-style relays are at best IP 54. Using the cheap Chinesium relays are way worse, the fit of the cover usually stinks to high heaven.

Many accessories on Harleys used relays and many Harley owners love to wash their bikes and many Harley owners throw a fit when their accessories don't work or start blowing fuses.

His orientation is good, but seeing that the vehicle is a guided missile, the velocities implied could create issues...