Once the wires have been run through the console lid (or door trim if you are mounting it to the trim) you’ll need to fit the supplied wire fittings to the wires that will be plugged into the main unit, before doing this however you should drill your door/console and push the wires through, that way you only have a small hole for the wires rather than a huge one for the whole block. When the wires are able to reach the wires from the control unit you can then assemble them into the appropriate plastic block (supplied) that will hold them.