Hi there,here's your color code: the 2 solid red wires are your hi voltage secondary,the red/yellow is your sec. gnd.,the 2 yellow's are your 5 volt htr.'s,the 2 green wires are your 6.3 volt htr.'s,the green/yellow is your 6.3 volt winding gnd.,the red/blue wire is your bias winding,the 2 black's are your AC primary.Hope this helps,good luck Mel.