99 windstar 3.8, wife had van doing eranse ,called me so when taking turn van died. battery good, there was no power when key turned. played with it couple min. started up/.. im thinking ignition switch not sure as no good a electric diaging.any advise would be appreciated.

It is possible that you have a loose or dirty electrical connection.
Start with the battery terminals.....connections at the starter.
Also, you could try shifting it into Neutral......and seeing if it will start (Maybe bad Neutral Safety Switch....aka Transmission Range Sensor).