I wondered about the terminal junction. In one of my older cruisers i have a knock of switch-pro set up which has a junction box. It makes it very simple to set up and modify. I would use that one again but was looking for something a little better quality for the 200. Unfortunately I have my compressor mounted to my Slee compressor mount, so I might have to figure something else out. Yours is looking nice and clean in the engine bay. Looks like you've also swapped to an AGM battery with Slee extended terminals and tray? Also on my list, looks like they are out on the terminals for a while.I have used Switch-Pro in previously builds, so I am happy with them. I know Switch-Pro recommends direct wire splice, but I much prefer to use a terminal junction. In my experience it is cleaner and easier to manage all of the wires. I used a Power Tray(stand-off model with custom length power and ground cables) mounted onto a Slee compressor mount.
Regarding the Slee dash mount, great! I had planned to make something similar and they saved me the time.
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I like how you've done the redarc controller as well. I like having mine in the right side of steering. I might have to change mine.