inputs.text: wrong wiring plug nuvi 660 - although battery listed specifically nuvi 660 wiring configuratiin small plug end not fit plug board 660 660 small 2 wire plug socket board battery received correct packaging correct voltage capacity physical size small 3 wire plug course not plug board nuvi apart not want go trouble return hopes replacehement would correct rehemoved plug old battery used voltmeter rewire new battery reinstalled functions advertised one star proper wiring customers may not tools reqired switch modify tiny plugs