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Old 09-22-2013, 08:11 PM   #1
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RV lights dimming and brightening

I am rather new to RVing. I have a 27' 1995 Shasta Travelmaster. I have used it about 6 times. Last night while at a campground, my lights kept dimming and brightening. I was plugged into the campground's electric box. I'm wondering if there is a problem with my RV or if it could have been an issue with the campground electricity.

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Old 09-22-2013, 08:21 PM   #2
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Converter coming on?
Battery charger coming on?
Inverter coming on?
Varying voltage at the pedestal?

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Old 09-22-2013, 08:28 PM   #3
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Welcome to irv2.
Here is a link that will cover most of what you have asked.
You should check for good ground connections to the chassis frame, clean and tight.
Your batteries should be checked also if not all ready done. Water level.
You should try another pedestal and see if there is a difference with long cord.
You could have a problem with the converter.
All things mentioned good clean tight connections.
Let us know how your making out.
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Old 09-23-2013, 05:51 AM   #4
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No substitute for a VOM/multimeter for diagnosing problems. Our Progressive Industries EMS monitors power coming into the trailer, but a cheep VOM from Harbor Freight will tell you where the problem originates from.
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Old 09-25-2013, 10:38 AM   #5
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Thanks for this thread - it reminded me that I started noticing similar behavior in our rig this summer.

Since ours has done it in multiple locations, it's not the power source. And since it's the 12v lighting that is affected, I'm guessing something to do with the converter (110 to 12v)?

Gotta add this to my to-do list.
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