First guess; the battery is dead.
Second; a break in the ignition switch wiring.
NOTHING happens? No noise, no clicks, NOTHING? Check to see if the ceiling light comes on when you open the door.
No
A 2004 Dodge Grand Caravan has one belt.
The 2003 Dodge Grand-Caravan has 12 valves.
The 2009 Dodge Grand-Caravan has a V6 engine.
The 2005 Dodge Grand-Caravan has 12 valves.
The 2006 Dodge Grand-Caravan has a V6 engine.
The 2009 Dodge Grand-Caravan has 12 valves.
The 2001 Dodge Grand-Caravan has a V6 engine.
The 2013 Dodge Grand-Caravan has a V6 engine.
The 2007 Dodge Grand-Caravan has a V6 engine.
The 2007 Dodge Grand-Caravan has 12 valves.
The 2010 Dodge Grand-Caravan has 12 valves.