hey all can any one help ...i have a polaris 500 magnum 2000 model that i have been rebuilding ...nearly finished ....my problem is when i used it at nite i noticed the lights .... all of them faded out and thern to nearly nothing and then come back bright ....it seems to dull about every 2-3 min for about a minute and then come back to normal again...... lights are high low rear speedo and dash lights....very frustratingfrustrating

 

Replace the battery.

 

Like weedy said but do it ASAP before you blow every bulb in the thing.Then if it still does it check the regulator.