yellow light stays on when I plug in the 20 pin, and get the key to program

Question

we get to programming the key on y 2013 ford focus and the light stays yellow when I plug in the 20 pin and then its goes to red and yellow and it won't program.

Answer 1

Do you get 12+ volts on the yellow wire while its unpluged?

If yes, then the wire currently provide 12+ volts constant, and it should only be on with ignition.

Make sure the yellow wires fires up 12+ volts only when ignition is on.