conversion harness

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i have a 91 honda hatch standard (stock 4 speed) and i am using the stock dizzy plug that has 1 square plug and 1 round plug, i am making a adapter harness to obd-1 engine loom dizzy plugs, my issue is this the 2 wire connector is easy to figue out but my square plug has 5 wires and the obd-1 has 7 what 2 wires do i have to redo?? and i have looked in reference and have not found anything. this is what i have to run off of