Hi y'all. So I've got a 98 Tahoe 4x4 5.7. Trucks died on me while driving. Its done it a couple of times before but always started back up. Not this time. The truck isnt getting a spark. Its cranking but not starting. So a buddy helped out and we changed the plugs, wires, ignition coil, fuel filter and crankshaft sensor. We checking and the ignition control module has power. And the distributor and rotor appear to be fine without damage. What's my problem and where do I look next?