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Old 07-11-2014, 08:30 AM   #1
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1 set ceiling lights dim (little help please)

We have a 07 Beaver Marquis. There are 5 different 12 volt light switches for lights in the coach. All the different locations are nice and bright except the one section in the ceiling. They are dim like the battery is low. The section right next to them is bright. Anyone have any thoughts as to why this one section is dim? Doesn't matter if we are shore power or not, batteries less than a year old. Thanks in advance for any suggestions guys.

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Old 07-11-2014, 11:48 AM   #2
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Does your unit have a multiplex system? If so just push the switch repeatedly and the lights will dim and get brighter with each push.
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Old 07-11-2014, 02:55 PM   #3
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Dim lights

We do not have that type system. Just looks like the power to them is somehow weak? Thanks for reply though
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Old 07-11-2014, 03:11 PM   #4
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If the fixture contains fluorescent tubes, check to make sure the tubes are seated properly. If that doesn't work, could be a bad tube or ballast for that light.
Mike & Debbie
2003 36' Monaco Cayman
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Old 07-11-2014, 03:51 PM   #5
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Are these fluorescent or incandescent/led lights?
Tony & Ruth........... FMCA#F416727
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Old 07-11-2014, 05:34 PM   #6
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You said that you do not have a multiplex system, but I can't imagine a Marquis of that model year not having that type of lighting control system. If your light switches are the old style rocker switch, I would agree with you. If they are a keypad with four, six or ten buttons on it, I would expect a PLC control system such as Intellitec.

If so, try pressing any of the buttons for that light circuit and hold the button for a couple of seconds. On ours, pressing the button turns the lights on, if they're off, and off, if they're on. If you press it and hold it for more than a second, or so, it will either start incrementing brighter or dimmer, depending on what was done the last time. Holding it will sequence through the brightening and dimming in a continuous sequence as long as you hold the button.

I'm sorry you're having this problem, but do wish you luck and great enjoyment with your coach.
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Old 07-11-2014, 05:39 PM   #7
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You know your coach better than me but I always thought that model of coach did have a multiplex system.
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Old 07-12-2014, 07:01 AM   #8
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Feeling a little stupid?

Didn't even know there was a system where you could hold done the button to make lights change brightness! You are 100% correct. It sure changed them. Thanks so much for "schoolin" me!

Safe travels all
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ceiling, lights

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