Glenda, a motor block cord set would need to be rewired so that the motor has an electric plug as well as the light would need to be rewired for an electric plug.. If your wires are long enough, all you need is the foot controller. The motor and light are already wired to the plug at the bottom of the motor.
Two possibilities
https://www.ebay.com/itm/FOOT-CONTRO...EAAOSwy6VZu5RX and
https://www.amazon.com/Singer-Sewing...008926&sr=8-33 I am sure there are others. There are youtube videos about wiring a foot pedal.
Janey - Neat people never make the exciting discoveries I do.
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