http://www.comagination.com/modBike.htm
If you can plug in a lamp you are qualified to install the headlight modulator. Unplug your headlight, plug in modulator, plug bike into modulator plug. Done. Run the photocell along the wiring on the handlebars and zip tie into place.
Brake you take off your seat, split the brake wire and install the brake mod in the middle of the split. Then run the green wire from the mod to the Negative side of the battery. Done.