RobertK, wanted to thank you for your post and information on how you resolved the starting issue. I had the exact same problems, went through most of the same steps you did and still nothing. Except today I replaced the starter relay and that solved it. What was odd is that the old relay sounded like it worked (pulled in and put power to the Green/WHite wire), but nothing happened. Anyway thanks for sharing and helping get my mower back up and running.