84-2150
Here are some suggestions:
Uninsulated Quick Disconnects
Vinyl 4-Way "X" Connectors
Double Female Bullet Receptacles
Vinyl Butt Connectors
Heat Shrink & Solder Ring Terminals
Nylon Butt Connectors
Heat Shrinkable Bullet & Receptacle Connectors
Metri-Pack® 630 Series
Heat Shrinkable Bullet & Receptacle Connectors - Crystal Clear