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96 inch fluorescent light only one bulb will burn have changed bulbs and balist

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If it is wired correctly,the only thng left is the tomestones, the contacts that the bulb connects to. Try this ;switch the two wires from the one bulb at the ballast to the other bulb on the ballast. If the other bulb now lights then the new ballast is bad and need to be exchanged.

Posted on Dec 29, 2008

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