1999 5.7L No Spark

What is your question?

I have replaced the Crank Sensor and Coil still no spark. The last week the truck had been Surging from 13.2 volts up to 19 while driving it. At first it was only the gauge that was jumping and then the Head and Tail lights then The engine was Surging. The last day it felt as if the Engine was grounding out. While driving it felt like a Motor Mount or U joint but, it was the motor that was doing it.

What makes this problem better or worse?

It won't start now but before when it would hesitate anytime but higher rpm's

How long has your 1999 Chevrolet C1500 had this problem?

Apx. 6 days