An easy to use, inexpensive jack plate stop device for insertion into the guide slot of a jack plate to immobilize an outboard motor in raised position is disclosed. A length of the conductive voltage-measuring terminal is greater than a thickness of the first pair of unit separators, in the stack direction. In order to update a web index, which is used by search engines to search web documents, a document identification is retrieved and associated with the updated information. The preferred embodiment has at least one complementary tapered recess and projection combination which facilitates easy insertion of the projection into the recess during attaching.