Nation Wide Lines posted:It sounds like you are not heating the track enough to make the solder bond well enough to the track. I would try a bottle torch to heat the track and connector at the same time.
That is what I am doing to repair early track that is soldered to the ties.
Thanks Nation Wide - I'll consider giving that a go.
Last night I was using a 60 W electric iron, with a 5/8" tip...