As some of the long-timers know, we have an 83 normally aspired EA81 BRAT. For a while, it would flat out stall, no sputtering, and then be able to start a few minutes later. I quickly determined that there was no spark.
Last year, we replaced the coil and changed the Nppo disty to the Hitachi, complete with new Ignition Control Module. Then, for good measure, I replaced the ignition switch. It ran great... Until a few months ago. Then the problem came back.
Now, I have once again replaced the coil and ICM, but still no spark. I am getting voltage to the coil, and have triple checked the wiring harness to the ICM. Clean circuit there / no shorts.
I have checked the schematic and there doesn't seem to be any other component like an ignition relay that is in the main ignition line. I must be missing something,
Edited by Sonicfrog, 06 July 2014 - 05:16 PM.