would not stop igniting even after fire was on

unplugged unit from wall, disconnected gas line, and untaped the vent. disconnect the control knobs and unplugged and removed the control unit from the main unit. pulled the main unit out from the countertop and set it on a table. disconnect the burners and spark iginiters from the main unit. undo screws holding chrome brackets and stove base, to access iginiter. disconnect wiring from igniter and the one screw, replace iginiter. reverse everything to re-install