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Our Softail has a Crane Cam single-fire ignition module and we have started having problems with back-firing through the exhaust and going dead. We have even tried "hot-wiring" from the battery straigt to the coil to test to see if there were any shortages or grounding problems in the wiring harness but it still happens. Bike rides fine until it gets hot and then just shuts down.
Any ideas?
I sent this post a few day ago to folks having trouble with a 98 softail. Maybe it will help.....
"I've seen this happen with an ignition coil. The coil heats up and then has a thermal breakdown. After it cools a while, it will be OK again. You might try taking some OHM readings when the coil is cold, put it in an oven at about 150-200 degrees and bake it for a while. Take the OHM readings again. This trick works sometimes. If the readings are off target signifigantly then maybe a new coil would be in order. It could be that while riding there is enough air to keep the coil within limits. After you park, or in traffice, heat from the engine may be enough to push it over the edge."
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