Yes, I have grade crossing selected, I also have F2 (horn) so it activates aux 3 & 4.
For alternating do both aux 3 & 4 have to be checked? I think that I had tried just one but will go back to make sure.
Right now I have them working some what. Hit F6 both ditch lights come on, then when horn is sounded they flash. But both ditch lights flash in unison, so far I have been unable to, get them to flash altenatively.
Still poking around the drop down boxes.
Thanks for you help.