No Power to Dishwasher

Brand: GE
Model Number: GDT695SSJ5SS
Main Symptom: No Power to Machine
What happens & when: Inoperable as no power despite Green light on Control Board.

Error Code (if any): None
Parts or tests already tried: Replaced Control Board and UI Board. Green light on control board blinking very fast.
Photos / video link:

On these, if the UI and Control have been replaced and the dishwasher is otherwise unresponsive, that usually indicates an issue with the door harness WD21X21664. That blinking light on the control means it is powered and actively running.

WD21X21664 Dishwasher Door Wiring Harness Assembly | Genuine Ge OEM In Stock