Good catch on the silicone—it's funny how often people underestimate that step. Did you end up using clear or white silicone? I've found clear usually...

Did you ever figure out what caused the pinhole leak in your case? I've seen a few situations where it was corrosion from older copper pipes, but some...

I've never replaced a relay myself, but I've watched a buddy do it once. Didn't seem overly complicated, just a bit fiddly if you're not used to worki...