As brapple said, they have a oil on them to avoid rusting while sitting there. Just shoot the crap out of them with brake cleaner. You don't want to go out to test them and not stop too well because they're oily...
99 SVTC, T-Red, #652/2760-12.8.1998
Mother#@%@!* did I sound abstract?
I hope it sounded more confusin than that!