I made a diagram of the new wiring and references to the diagram in the manual. The wires are also labeled at each end.
The 6 batteries, purchased from Batteries Plus, are Duracell SLIGC12V-ELPT.
The DeltaQ QuiQ 912-7200 algorithm is #71 for 140ah to 200ah flooded batteries.
Restoring the E6 has been quite an endeavor and we are very appreciative of everyone’s input. Without it we might have pushed it back into the water and walked away