Your sig says you have an EX right? I think one of the wires for the autodimming mirror might be an ignition on wire. I'm not sure tho, it could be an acc. on wire, but I know that my mirror turns on when I flip the key, should do just fine for what you need.EDIT: Crap, I read that wrong and missed the sunroof SWITCH part. There should be a number of wires in the area that work for ignition on. Try looking thru the fusebox for one, its right there.
