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Old 10-02-2015, 02:47 PM   #11
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This is a common problem and has been discussed before. Ours did the same thing. It was on for a couple of weeks. Right before we took it to the dealer is stopped doing it and it has worked properly since. I read via the board here that it was due to the computer panel for the lights being mounted out in the elements (under rig but no cover) and that is the cause.

I refuse to try and trouble shoot myself on a brand new vehicle that cost in the $80,000 range. It should be warranty and repair places should get paid to trouble shoot it.

Just my thought.
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Old 10-02-2015, 03:24 PM   #12
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Try post #9.
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Old 10-02-2015, 04:27 PM   #13
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Thank you everyone for your help. It's Friday afternoon, so not going approach my local dealer quite yet. I'll probably resort to that on Monday. Hope that goes well, there's a few reasons I didn't purchase from them, the $40k price difference was only one. Meanwhile I'll probably try #9 and if Brian or Josh see this, let me know where this computer panel is located. Drove through quite a rainstorm getting this thing home and wouldn't be surprised if the exposed panel is part of the problem.
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Old 10-02-2015, 04:34 PM   #14
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It does seem like a moisture related issue. Try to locate the control box and spray a lot of WD40 on / in it if possible. I would call Nate or Kevin and ask them where the controller is.
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Old 10-02-2015, 05:12 PM   #15
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dukeboone, you can use a volt meter and check with house bats on/off. That should narrow down where the problem is.
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Old 10-02-2015, 05:15 PM   #16
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I look at it this way, if you have an idea what/where the problem is helps not to get taken. You don't have to be the one to fix, but if you know, goes a long way.
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Old 10-02-2015, 07:16 PM   #17
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I have had my 2016 Sunseeker mbs 2400w for 1000 miles and one tail light just came on and I can't get it to turn off. I have been driving in the rain so I suspect a water related issue. I will try some of the things mentioned here. It sounds like it may go away when it dries out.
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Old 10-02-2015, 09:06 PM   #18
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Interesting report kysunseekermbs, sounds like you're experiencing the exact same thing as me. I did find two grey connectors, a relay and something that appears to be associated with trailer wiring. I unplugged the two gray plugs, one of which had no gasket and both had considerable amount of moisture inside, to the point of dripping out of the connector interior. The RV is in my garage so I'm leaving them unplugged for now to dry out. So far it doesn't appear to have solved the problem although the phantom light is much brighter now.
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Old 10-02-2015, 09:08 PM   #19
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Old 10-02-2015, 09:59 PM   #20
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You can get a product from CRC that you spray into the connection and displaces the water. Electrically safe. Then I would put dielectric grease in the connection and prevent further problems. I use it for connections that are exposed to weather. Electric Companys use it for same reason.
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