Hi, I have five 4 lamp fixtures in my garage. They started burning lamps quickly, so I decided to change all the ballasts (10) total, 2 per fixture. I also installed all new lamps. Out of the 20 lamps, all but 2 fired up fine. The other 2 light up partially. Strangely, they were both on the same side of the fixture, instead of being both on the outside or both on the inside as I thought these things worked. I have basically no electrical experience, just monkey see, monkey do. I have all the reds to reds, blues to blues, yellows to yellows, blacks to blacks and whites to whites. I have also checked all the sockets and they seem to be fine. Can anybody out there help? This is driving me crazy. Thank you.