What color wires go to which terminals on a four-prong male 240 volt plug?

-Gold terminals (should be two)=any color accept white, gray, bare copper or green
-Silver terminal=White, or gray
-Green terminal=Bare copper, or green

In your case, you will have these colors:
-Black and red=gold terminals (2)
-White=silver terminal (1)
-green=green terminal (1)