Ick... crimp-on connectors.
This may not go over well with some, but it is just my opinion.
Solder and heat-shrink those suckers! Much, much stronger, weatherproof, and they'll last forever.
I've also grown pretty fond of Liquid Electrical Tape (most auto parts retailers will carry the stuff). It's available in a variety of colors and you can use it to insulate and protect just about any type and shape of connection. Like those open-to-anything, bolt-on connectors. Just one catch; it takes several hours to set up.
