Hi All,<br/>I have a new Auto Drain and it's a 4 wire and my old one is a 3 wire.<br/><br/>Old Auto Drain 3 wire: Yellow, Blue, Orange<br/><br/>New Auto Drain 4 wire: White, Yellow, Brown, Green<br/><br/>What wire goes where?<br/><br/>Jeff<br/><br/>2007 Magna 630 Rembrandt ,Cummins 600