Get you some 30 amp fuses and start unplugging things one at a time till they stop blowing -lol
If your handy with a multi meter you should be able to narrow it down pretty quick
Do you have the wiring diagram/service manual?
if not you can download it here:
Let us know what you find out-
I'm 53. We haven't had a meetup yet, but we have talked about it a few times. The Tsunami of Doom, Covid, had prevented us from getting serious about it. Also probably is someone declaring "We are doing it this weekend, at this place".