> see if I can use an ohm meter to see what it's doing. That's going to be the best and quickest option. As you say, draw a re-assembly picture and then get busy with a DMM. Or you could try the manufacturer's site if it's identifiable. Even then that's no guarantee that what you have is what it should be. And leave a note for the next guy ;-) _______________________________________________ http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist