MEMS 2J Connectors Test Sheet
https://www.diyautotune.com/shop/wiring-components/
https://shop.efiexpress.com/collections/all
https://www.bmotorsports.com/shop/contact_us.php
https://www.delcity.net/store/Wire-Connectors-&-Quick-Splices/
UK Vendors
https://www.3waycomponents.co.uk/Automotive-Connectors
http://www.ebaystores.com/3-Way-Components
https://www.autoelectricsupplies.co.uk/product_list/7
http://www.polevolt.co.uk/acatalog/Connectors.html