1997 Pontiac Grand Prix starting problems please help?

My car will no longer start. For about a week if I turned the key fully then waited about 10-30 seconds the engine would turn over and start. When I was waiting the engine would not turn over. There was no action at all. Then all of a sudden it would turn over and start right up. Now there is nothing I checked all... show more My car will no longer start. For about a week if I turned the key fully then waited about 10-30 seconds the engine would turn over and start. When I was waiting the engine would not turn over. There was no action at all. Then all of a sudden it would turn over and start right up. Now there is nothing I checked all the fuses, relays connections on battery and starter, etc. Please help as this is my only car and I need to go to work tommorrow.
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