Crossfire pro and titanium 45

Just bought and crossfire pro with limit switch and THC. i have 3 wires connected into what i think is the right place from reading on here. The long black cable connected to the #1and #2 connect to where on the black box? And is the 3 wires all i need?

This is pretty vague, can you be more descriptive?
There are a few long black cables