DIY ROSTA CRUISE HELP

[superfly78209]

Ok so I have done everything with this cruise install except for the part that involves the brake switch. Here's the URL: http://www.rostra.com/manuals/250-1873_Form5258B.pdf

I'm finding the brake switch part difficult. Do I take apart the switch and try to solder the wires and then put it back together? Do I cut off the insulation and the blue and black wires and then try to solder directly on to those - soldering is difficult enough without having an end of a wire to solder onto but rather a mid piece and not a lot of room? I am not seeing the best way to go about this whole thing and I dont want to do something stupid and mess up my braking system. Thanks in advance.