100% agree- this link from the GoMog site on the subject.
https://www.speedycables.com/

Unfortunately Caerbont, whilst the OEM supplier for Morgan, no longer service or supply trad instruments.
Although if you want a MidSummer instrument cluster..... ..

"DOT" 35th Anniversary Edition Plus 8- family owned from new. Rolls Royce Pewter.
06 Saab 93