Here are a group of electrical diagrams contributed by liSTer Tommy Melnik:
Kimpex Grip Heater Installation.......Read this if you are thinking about installing heated grips.
Integration of the Autocom Pro 3000 intercom
into the ST1100 ...... this is a report on liSTer John Parker's
Pro 3000 installation
Add two 15 amp ignition switched accessory
circuits ..... a how-to-do-it on installing a high power relay
to switch accessories on and off with the ignition