ION Audio TAPE2PC Single Cassette Deck "zilch" Questions

...for my Technics TR313 dual-cassette tape deck. I am at a loss as my internet 'search' has come up zilch!! Would you PLEASE be able to give me a part number for the cord and possibly direct me to a ...

...dodgy. I transfered over two hundred LPs last winter but now when I try to connect to my Mac I get zilch - by way of a signal and am about to chuck it (the ION) in the bin! What a shame they can't ...