What would cause no spark at the coil wire
Check the distributor coil module.
Just put a new one on replaced the coil pack cap and rotor new plugs and plug wires w/coil wire new camshaft sensor crankshaft senor New intake manifold gasket lower and upper case
Sorry that wasn't an answer it was my reply to the one and only answer
Looking for a Used Silverado 2500HD in your area?
CarGurus has 33,674 nationwide Silverado 2500HD listings starting at $2,998.
Search Chevrolet Silverado 2500HD Questions
Chevrolet Silverado 2500HD Experts