ballast repair

hi peeps I've had to rewire the plugs to my ballast but like a donkey forgot the back up pics there's 4 connectors but only 3 wires brown (live) blue (neutral) and yellow (earth) which ones go where ?

Hey guys, recently started my first indoor grow with a proper tent and lighting after using a closet and CFL for years. Yesterday my power flickered off for about 2 seconds and came back on, all of my fans came back on, but the light did not. Though it may need to cool off for a bit so I...

ive read around on these forums and have gotten the feeling that nobody is repairing ballasts especially apollo because of the epoxy fill saying its impossible etc well i just wanted to stop by and say that im on my third apollo repair it can be done just a lil work is involded in cutting the...