Luxury Coach Lifestyles - View Single Post - Diagrams and pictures on how the transfer switch contactors work
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Old 08-27-2008, 01:47 AM   #2
fulltiming
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Join Date: Feb 2006
Location: Texas
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Thanks Tom. This is a great information source as tracking down the wiring is always the biggest chore of any electrical project.

I have replaced my auxiliary contactors but not the primaries. I would suggest that anyone finding themselves in a situation where either shore power or generator power doesn't come on take a look at their auxiliary contactors to see if they have dirt in them. The power bay in my coach picks up a lot of dirt when traveling or parked on dirt or sand. If a small amount of debris gets into the opening in the auxiliary contactor, the points will not close the circuit and that will not allow the main relay to actuate.
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