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RobBeers t1_jc1unk5 wrote on March 13, 2023 at 1:03 PM

The wire colors help you identify them on each end, if you want to be completely sure what letters they correspond to then open up your furnace/blower and see what each color is attached to on the unit. You can change them if you want.

ZzIceDzZ OP t1_jc2feyg wrote on March 13, 2023 at 3:35 PM

I'll properly take sometimes to check it out. Thanks!