22-20 gauge purple Weather-Pack seals #12089679/#15324985. Also works with Metri-Pack 280 series sealed housings. Fits 1.6-2.2 mm cable diameters. Use these round pin and socket terminals, housings, and seals to make economical connections that can handle harsh environments. Each connection requires a male and female terminal, a seal for each terminal, and a male and female housing. Pick terminals that match your wire size, then choose a housing that offers the number of connections you'd like to make.
eBay