Pontiac Aztek Engine Not Cranking Over

If I Jump The Starter Solenoid It Cranks But Wont Run. The Radio And Power Windows Also Don't Work.

Changed Battery And Starter. Now No Lights On Dash Or Start.

I Have Changed The Cam Sensor, Have A New Battery, Fuses Are Good. I Am Not Getting Any Power To Turn The Car Over. The Computer Is Working...

My Wife And I Have Been Driving This Aztek With No Problems. We Took It Up To The Mountains For Camping Recently. Before We Went I Checked...

Just Purchased The Vehicle Listed Above From A Private Owner. It Was Running Just Fine Engine Overheated Just A Little Bit Stopped The Car...