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Okay I my truck has a 351M and a Duraspark II ignition. The wife was driving it and it died while it was running off the original coil. I took the Omni pak off because it was sparking around the lead wire but it worked fine.
Now I have an after market coil (Jacobs Omni Pak) and the original coil is still installed so this is what I did.
1. Replaced ignition module with another one but won't start;
2. while cranking it over no spark with coil or Omni pak;
3. if I put the key forward to accessory, before it cranks, the Omni pak provides spark;
4. put the key past this point so it cranks the engine and the spark stops.
Any ideas? I'm just lost on this one because I get no spark out of the coil or the Omni pak while the engine is cranking.
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