Posted by Andy10 on October 01, 2011 at 17:28:52 from (166.249.131.122):
I had an initial posting about my project in August and appreciated the feedback. I'm still having problems with my tractor. Again I am working on a Case 770 that had its points and condenser changed to an electrical ignition unit. I'm still unable to get a spark in the sparkplugs. If I connect a sparkplug directly to a sparkplug wire coming out of the coil I get a good blue spark on the sparkplug. If I reattach the sparkplug to a wire coming out of the distributor cap I don't get a spark. It seems to me that I can get a good current into the distributor cap but I can't get it to flow through it. I've replaced the distributor cap and rotor with the stock parts for a Case 770. I also have twisted the entire distributor while turning the engine over to compensate for the posibility of the timing being off but still can't get a spark in the sparkplugs. I've tried multiple coils and have tried running a wire directly from the battery to the + on the coil bypassing the switch in case there was a short. About the only thing I can think of that I haven't tried is replacing the electronic ignition assembly. I would think if the electronic ignition assembly was bad I wouldn't even get a spark when hooking a sparkplug directly to the coil so I've been reluctant to replace it. Can anyone help me understand what might be wrong?
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