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I was out of town working when my wife had her step father help her light the furnace. I’m not sure what happened but the door switch was “rewired” and no longer works correctly, the furnace works but seems to run shorter cycles, I’m looking for a wiring diagram or schematic to help me verify what wires run where. I know it’s time for a upgrade due to the age of this furnace but not a top priority right now. I have pictures if that would help anyone. Any help would be greatly appreciated.

Thanks
Tim