Quote Originally Posted by bighit View Post
It's this plug

https://uk.rs-online.com/web/p/wire-...plugs/6813341/

As seen here

https://www.co2air.de/thema/105253-c...o-geht%C2%B4s/

Translated.
A 3-pin socket contact with the specification Harwin 2mm M22-3010300, or you can carve the part out of an old 2.5 "IDE hard disk connection cable!
That certainly looks the part mate,i'll go and investigate! many thanks