did i hear you say Baltimore :-) Email me off list at Billsfanmd(at)aol.com I am not an expert on the door system but there are a few owners I could scrounge up and we can fix it....I live in Columbia which is very close... As far as your defroster switch I think Einstein would scratch his head on them. I sent mine to John Hervey and he put the pieces back together again... Mike C 2109