Well, as they're basically the same vac, one having a headlight, the other not, I'd say yes, they would, I don't think Hoover changed the handle fittings on the Juniors until the U1036...
No worries, and I enjoyed that video too, there were some more bits to it that would have made a bit more sense, but I had to reduce the length of the video to meet youtube's then 10-minute limit (it's 15 now)...