Hi Don,
I'm glad you've been able to answer your own question.
The
front mounted Magic Pie Edge and the Smart Pies both have the controller mounted on the
right hand side of the forks:
The front and rear Magic Pies
(III, 4 and 5) and the rear Smart Pie/Magic Pie Edge all have the controller on the left hand side along with the brake disc that's mounted on the cooling fan unit which encloses the controller:
However, if you are unsure of which way the wheel should be fitted, just make sure that the six brake disc mounting screw holes
(or the brake disc if fitted) are on the left hand side of the fork.
Alan