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06-09-2024, 02:03 PM
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#1
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New Member
Join Date: Mar 2024
Location: Amsterdam
Posts: 8
M.O.C. #34029
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Short in the frame
Hi, anybody ever had the frame become charged? I was lowering the front landing gear and when I touched it I got shocked pretty strong. The trailer was plugged in .
Any idea where to start looking for the short? Thanks
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06-09-2024, 02:21 PM
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#2
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,344
M.O.C. #6433
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Called “hot skin” caused by bad green wire safety ground connection. Actually an open, not a short. Need to find where the connection is missing. Could be bad power cord, bad connection where your cord plugs into the trailer, bad ground connection in the pedastal, bad connection to your frame, etc. Just a matter of checking all possibilities until you find it. But it does need to be corrected since it presents a shock hazard.
__________________
Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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06-09-2024, 06:09 PM
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#3
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,774
M.O.C. #12947
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This is another case for a hardwired EMS. We arrived in a park some years ago and were setting up, had the shore cord plugged in and the pedestal breaker turned on. Was informed that power was not getting inside the rig. I turned off power, unplugged the 50 amp cord from both ends and everything looked good. I even installed the 30 to 50 amp dogbone to plug into the 30 amp outlet on the pedestal. Finally had the park's maintenance guy come over and he got into the pedestal and all the grounds and neutral was where they were supposed to be. When I removed the dogbone from the shore cord, the reason for the problem was obvious, the ground prong on the 50 amp plug stayed in the dogbone, so it was broken inside the molded 50 amp plug, and the EMS would not turn power on without the ground working, preventing a dangerous hot skin condition. A portable EMS plugged in at the pedestal would not have seen this issue because they only look at the source power.
__________________
Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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06-09-2024, 06:14 PM
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#4
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New Member
Join Date: Mar 2024
Location: Amsterdam
Posts: 8
M.O.C. #34029
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Thank you, I’ll start with the green GRN.s. Yes the shock is real, lol.
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06-09-2024, 06:42 PM
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#5
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Montana Master
Join Date: Jan 2022
Location: Shingle Springs
Posts: 2,541
M.O.C. #30417
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This at the bare minimum. It will prevent AC passing from the pedestal to the trailer if there is a fault.
__________________
Tony & Donna & the best dog ever, Murphy.
2022 Montana HC, 295RL, Solar Flex 400, Onan 3600 LPG, 2K inverter, 200AH Lithium. 2020 GMC Denali 2500 6.6 Duramax, Demco 21K Auto Slide
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06-09-2024, 06:51 PM
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#6
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New Member
Join Date: Mar 2024
Location: Amsterdam
Posts: 8
M.O.C. #34029
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I’m going to buy one of them tomorrow, thank you.
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06-20-2024, 02:48 AM
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#7
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New Member
Join Date: Jul 2023
Location: Kimberley
Posts: 8
M.O.C. #33077
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I also get the odd shock when working under trailer. Believe it is on the 12v side though. When it first happened, I unplugged 120v cord and was still doing it. Also tried it with solar, 12v and inverter disconnects off but didn’t make it any better
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06-24-2024, 12:30 PM
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#8
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New Member
Join Date: Mar 2024
Location: Amsterdam
Posts: 8
M.O.C. #34029
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Thank you will give that a try when I get back south. I’m at my place in Alaska right now, great weather.
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06-24-2024, 03:40 PM
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#9
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Montana Master
Join Date: Apr 2017
Location: 1000 oaks
Posts: 978
M.O.C. #19630
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I had a melted neutral wire on my 120V plug where I plugged in the trailer at the house. Did the same thing. I would start at the source i.e. where you plug in for power.
__________________
2011 2955RL Gen-Y Executive Kingpin
2022 GMC 2500HD Duramax/Alison
4X4 Crew Cab/Standard bed.
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06-24-2024, 06:38 PM
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#10
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Montana Master
Join Date: May 2019
Location: Alton
Posts: 2,881
M.O.C. #24086
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__________________
Daryl and Marianne,
2019 3130re 20th Anniversary Edition
2016 F350 Lariat
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