2004 gmc sierra 2500 5.3 vortec, was running fine all day parked it for about an hour or so and came back and she wont start. all of my gauges are lightling up battery says its got plenty of charge even tried jumping it and its just silent. no click no whirring just a whine from the intake manifold. im at a loss with this and ive got 24 hours to get my truck from the parking lot its in. any help would be greatly appreciated!!!!!