Well friends I tested the switch and guess what ? I does not work properly,I went on and cut the two wires together and isolated the with some shrink tube,placed the engine on programming track it showed in my remote after a short while and yes it is working as it should now.
this is the fist time that I have had a problem with a switch but every thing is working great thanks to all the nice and helpful people in this great forum thanks a lot to all and God bless You all
best regards
Jorge