Hi, When key is turned to start position, the starter clicks loudly and rapidly with no engagement. This seems to drain the almost new battery down alot. About 10 secs after turning key to off position, I get a single small click on the right side of the engine. So far I have tried a different starter, checked that the slow blow 40 fuse is ok, ground cable is ok, checked the starter relay which is ok, and bypassed the PTO limit switch. What am I missing? Thanks in advance, Ed.