Originally Posted by Steve Smith
I don't think it's a ribbon cable. It sounds more like a polyimide etched copper flexible interconnect.
If it was mine I would repair it or make another one... but I do have the advantage of working for a company which makes these things!
What he said. But! They can be jumpered. If a bit of the protective flex is scraped off a jumper can be soldered to the exposed lands.
There ain't much there. go lightly.