2001 Polaris Sled Lighting Problems

[Drifter_016]

I have been asked by my friend to see if I can fix the lights on his 2001 Polaris 550 sport touring sled.
It is a non-electric start model, fan cooled. I'm told that neither the headlight or tail lights work.
Any of you Polaris guru's know where to start looking? Stator assy, voltage regulator, somewhere else?? ??     

[big-brother]

Have you checked the bulbs???

[Drifter_016]

I haven't looked at it yet, but my buddy told me they all died one day.
Not too likely they all popped at once.   

[BOOBSS]

If the bulbs are blown prob. is the voltage reg