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            DIY Message Boards  Hop To Forum Categories  Home Improvement  Hop To Forums  Electrical    Replacing a ballast
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        posted
        2 light flourescent fixture not coming on all the way, tried changing bulbs still no go.So drew a diagram of my ballast and went and got a new one. Old one had a pair of red & pair of blue coming out of one side. Other side had a black & white along with a pair of yellow.

        New ballast has black & white on one side, and the other side has 3 pairs. Blue & yellow coming out 1 grommet and the red out of the other. The yellow is longer than the blue and red I'm assuming since it has to go to the opposite side.
         
        Posts: 4 | Registered: Nov 26, 2013Reply With QuoteReport This Post
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        I never even bother replacing a ballast. Between trying to find a compatible match and making sure it can fit into the light housing, it takes too much time (since I am billing out time). It works out to be less expensive to replaced the entire fixture.


        Jaybee
         
        Posts: 10428 | Location: Knoxville, Tennessee | Registered: Sep 27, 2003Reply With QuoteReport This Post
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        there is a diagram on each ballast saying which wire colors go where. just match the pairs up. there is no polarity.

        on fluorescents, make sure there is a good ground to the frame before chasing anything else. the tubes need reference to ground within about a half inch if they are going to light. it's a Tesla thing.


        sig: if this is a new economy, how come they still want my old-fashioned money?
         
        Posts: 5820 | Location: North Burbs, MN | Registered: Mar 14, 2007Reply With QuoteReport This Post
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