Talk to Autosparks, they make looms for 90,110, you will need your chassis number, the looms are in sections, Engine, main/dash, chassis loom, it's not a 1 piece loom
Remove the column surrounds & examine the connection face of the left stalk, the wires use a pin & tube type connection these maybe loose or disconnected.
Td5 style on ebay
https://www.ebay.co.uk/itm/272533583799?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=GU6uVGxKQGm&sssrc=4429486&ssuid=c2QqfgeiSkC&var=&widget_ver=artemis&media=COPY
Or earlier style
https://www.ebay.co.uk/itm/275310625267?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=GU6uVGxKQGm&sssrc=4429486&ssuid=c2QqfgeiSkC&var=&widget_ver=artemis&media=COPY