4A-GE MK1 Engine Speedo Cable

4A-GE MK1 Engine, cable, speedo, gearbox, drive, idea, secure, appreciated, replace, solution, threaded, securing, remember, state, reinstalled, recently, reassembled, engine, screw, attempting

Hi, I have recently reassembled my engine and reinstalled my gearbox. I cannot remember the state of it before I took it off, but now when I am attempting to screw on the securing cap for the speedo cable (gearbox end) it just will not go on. Does any have any idea how I can secure the cable into the speedo drive without using the threaded cap? If there is no solution I will have to replace the whole cable itself but I