Tie downs are coming later, to put the 27 in the other compartment I would need to extend wiring. The AC charging wires are fused it is hard to see it.
These must be the 40 amp slow-blow glass fuses in the inline holders that Catalina installed factory. They don't make the correct replacement fuses any more. Replace them with either ANL or MRBF fuses.
I did this by creating a positive fuse/distribution buss at the batteries. Here is an early version before I added solar and an inverter and changed to golf cart batteries.
Note the black ANL fuse. These are cheap POS that are dangerous. I bought them to try because they were half the cost of the Blue Sea Systems ANL. You get what you pay for. My first problem with these was when we were in York Harbor. I checked the batteries and I was at 65% SOC. No problem, I'll just run the diesel. An hour later I was at 58% SOC. What happened? The cheap ANL fuse wasn't letting any current through even though it didn't show as blown. My next problem is they were blowing on the ignition side for no reason. Maine Sail has since done a write up on these cheap fuses. Stick with the Blue Sea Systems ANL fuses. The cheap fuse holders from Genuine Dealz are OK but I wouldn't buy again. I would just stick with Blue Sea Systems. Sometimes the quality can't be match.
I have seen several different articles on fusing the main battery cable, when I bought the boat it wasn't fused. Still looking at the pros and cons.
There are none, zero, zilch cons to fusing the main battery cables on an auxiliary sail boat. I am sure if you take another look any discussions of not fusing are based on large, power boats.
The only article you ever need to read on this subject is
Battery Bank Fusing by Compass Marine (aka Maine Sail on this site).