Gord - I have tried in vain to determine the maker of the wiper motor. Short of pulling the unit out (which I am trying to avoid until I know what my ‘fix’ plan is) the best I can find are two serial #s. One is likely a “quality control” #.

QC 200801

And the other is...

EX 013L 12V

No other markings or ID on the unit. Anyone able to discern the manufacture from this?