Chevrolet Corvette Electrical Shut Down

I Start My Car Immediately It Sounds Like All Cylinders Fire Over, But Then It Just Shuts Off All. My Lights Work Everything On The Dash...

After Replacing The Fuel Pump, The Engine Turns Over But Does Not Start, While Checking The Fp Relay On The Fire Wall I Believe The Wires...

My Battery Was Low So I Put It On The Charger, Still Hooked Up To Battery Cables. There's Little Room To Get To The Battery Box, And Sparks...