Quote:
Originally Posted by Baconeater
Yeah, you can, the colors are universal.
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Negative ghost rider. Installers will wire things how they choose. Yes there are certain colors that should and are normally standard, but some use either brown, black or blue for the common. If you have a Ruud or Rheem their reversing valve is energized the opposite of everyone else. If you have a multiple stage equipment with multiple Y terminals or if you have 3 sources of heat. It is always best to see how the outdoor and indoor units were wired to insure you get it all back together correctly.