Dishwasher would not start; no control lights illuminated.

Replaced door switch as follows: (1) turned off circuit breaker powering unit; (2)removed six screws holding front control panel cover to chasis and pulled cover out slightly to expose switch; (3) labelled four connectors on wires to switch with marking pen; (4) disconnected the four wires: (5) removed two screws holding switch to chasis; (6)installed new switch with the two screws; (7) reconnected the four wires; (8)replaced cover panel and (9) turned circuit breaker back on.