You already found the answer, but those JST connectors are widely used in Japan, and perhaps less common in Western designs. More info here [en.wikipedia.org]
If you are using crimp terminals, then you need [www.digikey.com]. Alternatively there is an IDC connector, [www.digikey.com], you can probably push the wires in with a screwdriver.
If you are using crimp terminals, then you need [www.digikey.com]. Alternatively there is an IDC connector, [www.digikey.com], you can probably push the wires in with a screwdriver.