GOOD NEWS. . . . The PICTURE UPLOAD FUNCTION IS WORKING !!! The tech folks at the parent company have been able to remedy the issue. You can upload pictures once again. Thank you for your patience.
93 mercruiser 454 with thunderbolt ignition have no spark at the plug or coil. I do have 12V at the + side of coil. Boat ran fine last time used (2 months ago) Sure would appreciate any troubleshooting ideas...