B
There are two engine grounds. I saw a photo here somewhere, but now I can't find it. They're on the driver's side and you may have to pull plastic to get to them.
My 2021 kept quitting after about 5 minutes. The shop found the engine grounds were loose, and that fixed the problem.
So just got it back from the shop. They were able to work it out and sneak me in today to diagnose. Looks like I had a trifecta of things.
1. I had a loose ground. Although I thought all were tight and good to go after checking them all, I apparently missed something.
2. The battery would not pass so they replaced it.
3. Possibly due to the rear shock, according to the tech, but my BED had loosened up on the brackets pretty bad. They adjusted for me.
4. My shock is smoked. Tech took pics and sent them to HONDA. He said that even if they want to replace, it could be a long time. Sounds like Fox shocks for this may be behind schedule. Hoping to get an update next week on an eta.
So basically Y'all were spot on with your suggestions. I am glad I got the warranty but also very appreciative of all the help on this forum. I got more questions, but as my I-4wd problem is (apparently) fixed, Ill just start a new thread.
Thanks everyone.