Technical sun 1011 cables

I have a Sun 1011 analyzer that is missing the cable that connects to the battery. It's called the "red twin-flex volt pickup". Anybody have one from a machine no longer working or know where I might find one?

 

might help if you post a picture of the connector that the cable plugs into. I parted out a tester like that years ago, I think I saved cables, but not sure if I have them all still, or which one it would be.

 

Good idea, I'll have to try that. Thanks-