84-2100
Here are some suggestions:
Nylon Receptacle Connectors
Vinyl 4-Way "X" Connectors
Heat Shrink & Solder Ring Terminals
Sealed Multiple Wire Heat Shrink Connectors
Quick-Splice Self-Stripping Adapters
Vinyl Male Bullet Connectors
Heat Shrinkable Ring Terminals - Crystal Clear
Nylon Spade Terminals
Nylon Quick Disconnects