Edited for corrections..
These violets should be coming directly off the handlebar switch and one should run clear to the rear of the bike for the running light/brakelight.
Solid yellow should be putting out 12-14vac (or more, if your regulator is fried).
Yellow/green is your earth.
http://www.gasgasrider.org/gg-wiring_DPDT_switch.jpg This is a little different than the way mine was set up, but it came with a stripped harness and no controls.