I had a similar problem and i finally found it was a bad connection at the main plug in the firewall; i beleive it was the ingnition " feeder " located at the buttom middle of it! You may check it out!
There is no chrome trim on a 69dartswinger except around the front grill & all the windows!The wheel opening chrome trims were optionals.Remenber a SWINGER as to be lightweight (small block).