whistle tender

I have a tender linked to my 2055 but the whistle has never worked. As a kid I did not care but now as a grandfather I want it to work for the kids. I have read many of the links here to see what I could possibly do and comparing the pictures posted by others with my own unit I am either...

OK, I'm ready to stick a screwdriver in my ear over this one! I have purchased and received a lionel postwar steam loco with whistle tender, the loco runs great, and the whistle tender whistles great when its on the track by itself but when I put the two together, no whistle just an increase in...