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quick furnace transformer wiring question
i am replacing an old york 025-21911-001 transformer...while positioning it to snap a pic of the wiring before removing it, one of the wire clips fell off. with the 5 thermostat wires, there were 3 thicker gauge wires attached with a clip. an orange wire was connected on the W terminal, the blue common wire connected to C, then a white wire is what slipped off. it seems it had to go on the Y or G but i wanted to be sure....any help? thanks in advance