Phil - Most local auto parts stores and hardware stores have them in small multi-packs. Usually around 5-10 per pack. Look or ask for "female bullet connectors" and you should find what you need. The below pic is from an O'Reilly Auto Parts page listing "Dorman 85268".
~ Dan 1951 Chevy 3 window 3100 Follow this story in the DITY Gallery "My Grandpa Carl's Truck and How it Became Mine" 1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver) US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)