QWERTYMage
XS650 Addict
follow the power.
Put the black lead (negative ) of your multimeter on bare metal anywhere on the frame .
Then turn ignition on and test that you have 12v+ at the outer brush of your rotor with the red positive meter lead .
( turn the ignition off for the following continuity test ) added for clarity
Then turn your multimeter to 'continuity' and with the black lead still on the chassis test with the red lead on the inner rotor ring that you have continuity .
The inner brush of your rotor should go straight to ground via the stator connector (black wire)
Voltage at the outer brush with key on: 0
Continuity on the inner ring to chassis: no (open circuit)