If I cut the cords is there any reason I cant cut out the fuse since they are being run through the fuse block?
You are correct.
Looking good. Keep us posted on your zip tie test.Good looking console.
Looks good on the trailer. As far as the transom goes - have you considered figuring out a way to put some doors over the inside? You'll have a fuel filter and other things back there and need a place to hide them. Just thinking aloud.
The problem with a T is that at least some of the water you want out of the boat will be flowing back down through your second pump into the bilge. If you have two pumps, you really need two through hulls.