Originally Posted by hbradyr
if you have 1 ballast hooked to two lamps and only one lamp is burning, i would check the wiring to the lamp and check the ends.it could be a bad lamp too.when a ballast goes bad it should'nt light either lamp.
4 sure its a bad ballast only one lamp works ripped it all apart and wiring is just fine nothing loose checked end caps fine got no power to the other lamp I metered it.