Ceiling lamp, 3 tubes, 2 light is how ah?
replacement of ballast, if not familiar with the lamp can be connected according to the original line connector of the ballast, is bad vibration converter at both ends of the line cut, then connected the new ballast.
t, in order to determine whether the lamp or ballast, then change the corresponding parts
You send this picture is bright lamp ballast, first remove installed in the position of the lamp is not bright,
