Thanks a bunch for the info, especially from Mark regarding the rough s/u on the timing. I've triple checked the wiring, I marked everything I could when removing the distributor to replace the module, but seemed to still screw it up. I'm a satellite Communications engineer and have always...

Months ago I parked my p/u & went to move it one day, it wouldn't start. After months of off/on troubleshooting and finding one thing after another, I had no spark, replaced many components in the ignition system. It finally came down to the ignition module and we have spark, but to replace the...