Just as an update. In my troubleshooting so far I have straight wired no3 spark from ecu to ptu and from ptu to coil connecter. I also straight wired the no3 coil connector to the batter to simulate the 12v constant from the ignition relay and the ground. Still having the same problem. When I move large main harness behind engine no3 stops firing. And just for clarification it is the coil connector and not the injector as I have no spark and still gas. center pen stays 12-14v when it is missing or not and that is checking with original ground and grounding the other multimeter pin to the plenum. I'm not sure what the third pin on the coil connector should read but it does not change either.