Thank you both for your input. I had checked the fuse once before and it was alright, but I must have fried it with my jump pack after that. The "no lights" situation should have told me that.
I replaced the fuse and she fired up. Now on to the engine rebuild, now that I've mowed for the last...
Forgive me if this has been addressed before. All the posts are starting to look alike to me.
My +/- 2016 mower turned over twice last Saturday and then failed to turn over at all. Now, no clicks from the solenoid. Headlights don't go on with the key in 'on' position with a battery delivering...