Sorry, I can't help with what you are looking for, but are you sure of the boat+engines model? I have the very same MANs on my 56 footer, and she reaches 33 Kts. Either there's something seriously wrong with the Cabo 43 if it takes 1600hp to move her around, or she must fly!
43 with MAN 900’s. After running 5 weekend trips the 43 is very load dependent(like most boats). 1/4 tank fuel half water with 12 people the boat screams 28-29kts at 1925rpm only 72-74% load 3/4 tab. Fishing load with everything full including fish boxes 7 guys and 150gal bladder in cockpit 1850rpm 18-19kts 82-84% load full tab. Next trip Moved the bladder to the bow made a huge difference, same load on the boat but 25kts at 78% load. Definitely running the bladder up front now. Seas calm for all trips
what does the boat turn WOT with full fuel, full water and 2 people? It sounds to me like your over propped? Should turn 2350 rpms WOT in the scenario I just mentioned. Usually they slow down that drastically if you're over propped.
There are 2 guys discussing 2 issues in this thread. You addressed the speed issue for Ben Cooksey. The wiring issue is from the OP, KIKE GONZALEZ, in post #1. All aboard!