There\'s a solution for that problem, but another problem will happen, though!
In the Setting.cfg there\'s a setting called: G_DRAW_SELECTED_BLOCK_WOBBLE. If you set that setting to FALSE, the purple stuff will not appear.
The problem is, now what? How do I know which weapons are already connected? You don\'t.
When I was building my big ass ship (750K mass), I had so many AMCs in it, I had to unlink them all, turn that option to false, and use Shift+V to link all the AMC arrays back. It worked, but it was a PITA. I never had the opportunity to check if I\'ve managed to connect all the 500 unique AMCs arrays, because I would lag to 1FPS if I selected the Weapons Computer... I stop building big ships because of that.
Hope this help, somehow!