Where can I get those green wire terminal connectors?

You can buy replacement connectors at Digikey.com

Specific links are below:

• 4 PIN Connector”https://www.digikey.com/product-detail/en/on-shore-technology-inc/EDZ950-4/ED1719-ND/123871″
• 5 PIN Connector “https://www.digikey.com/product-detail/en/on-shore-technology-inc/EDZ950-5/ED1720-ND/123903”