I picked up a 753 a few weeks ago. I was using it today all day with no problems. I started it up to bring it back into my yard at the end of the day. After starting it I flipped on the lights and the machine immediately dies. Lights had been working earlier. When I tried to start it again I got nothing, not a click, not a clunk, not a single noise. It was as if the battery had been removed. I checked the battery which was fine. Lights would not work either from that point. I'm thinking and hoping ignition switch? Any thoughts? And all of this 36 hours before a snowstorm for which I need the machine.