Photos show
Box 1
M1, M2, S3 (on top of M1)
S4, S5, S6 (along back of box, but placed on their backside facing up)
T7, T8, cable to service disconnect.
T9, T10,
Cable ext
Box 2
Fuse, S11, S12, S13, S14, M15, M16
cable back to box 1.
but maybe start here https://docs.google.com/document/d/1VLLGGjotzOc6-GGN6rD6Fa7jOnej7dBHD3q2Gkn0Kgk/edit?tab=t.0
page 9 Inverter
So round or square connector fix is needed solder some cables and go