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I've got an FD rx7 with a PNP g4+ ecu and I'm struggling to find which ignition channel correlates to which spark plug. I have the following information of the stock configuration but need to know which between IGN 1 and IGN 4 which one is Leading Front and Leading Rear. I would assume Ignition 4 automatically becomes Leading rear? But dont want to risk any engine damage. IGN 1 = Leading Plugs (Pin 4AN IGN 2 = Trailing Rear (Pin 4AJ) IGN 3 = Trailing Front (Pin 4AF) IGN 4 = AC Clutch (is now wired to coilpack 4 for direct fire) (Pin 4i) IGN 5 = Expansion Loom set to AC Clutch. Hopefully someone can help or can give me an idea on how to figure it out myself!