Here is a 2-speed motor (which that harness is for)
View attachment 1715838158
I don't think you can go wrong here, the two separate wires go to the ballast on the motor and the other connector goes to the other junction block.
If you have a 3-speed motor there is no ballast and the wires connect directly to the motor.
(1967)
View attachment 1715838159
Alan