Scamp ground for 12Volt - Fiberglass RV


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Old 06-27-2021, 12:49 PM   #1
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Name: George
Trailer: Scamp 13 '
OH
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Scamp ground for 12Volt

Hey there friends...

I just replaced the battery on my 13' 2019 scamp but it doesn't work--as in the lights don't come on. I have tested the battery and the fuse, all good. However, when I test the battery ground (tester to positive post and frame) I get a bad reading. This seems to tell me that perhaps the battery is not well grounded. I can't seem to figure out where the ground wire is--does not appear on the wiring diagram I have...

So, anybody out there want to chime in on my next steps?

Thanks for the help, happy travels!
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Old 06-27-2021, 01:15 PM   #2
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My diagram shows no ground

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Originally Posted by Doc Wood View Post
Hey there friends...

I just replaced the battery on my 13' 2019 scamp but it doesn't work--as in the lights don't come on. I have tested the battery and the fuse, all good. However, when I test the battery ground (tester to positive post and frame)
So, anybody out there want to chime in on my next steps?
Thanks for the help, happy travels!
But I do get voltage to ground on the RV. Measure the voltage using the White as negative and trace the voltage back. Did it work before the battery change? PS, there is more than one fuse.\
Please let us know what you find.
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Old 06-27-2021, 01:19 PM   #3
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Trailer: Scamp 13 '
OH
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Thanks, I will check the fuses next. I forgot to do that. What is confusing me is that when I test the battery to the frame I get nothing....indicating a ground fault.

PS. It was not working with the old battery and that battery would not recharge as was dead, dead when I took it to my local garage to check it out.
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Old 06-27-2021, 01:24 PM   #4
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Originally Posted by Doc Wood View Post
Thanks, I will check the fuses next. I forgot to do that. What is confusing me is that when I test the battery to the frame I get nothing....indicating a ground fault.

PS. It was not working with the old battery and that battery would not recharge as was dead, dead when I took it to my local garage to check it out.


Without sounding condescending
You do have it wired correctly?
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Old 06-27-2021, 03:28 PM   #5
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Name: George
Trailer: Scamp 13 '
OH
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Problem solved!

Thanks all, your questions drove to do more checking...who knew there was a second fuse for the battery in the fuse box....replaced, all working, and learned some stuff in the process. Headed from Ohio to Wyoming/Montana/ND and back for the next six weeks! You can catch our podcast about my travels at the Positively No Outlet Podcast wherever you get your podcasts or at www.positivelynooutlet.com.

Again, thanks to the community for your help.
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Old 06-27-2021, 03:28 PM   #6
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Yep, and not condescending at all.
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Old 06-27-2021, 03:29 PM   #7
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See below, thanks for your help...
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Old 06-27-2021, 08:44 PM   #8
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Just because some one...

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Originally Posted by alan H View Post
Without sounding condescending
You do have it wired correctly?
... may find this in a search. Lets cover one thing that comes up every spring when people get the RV out of storage. Hooking the battery up backward! It comes up every spring. Take a picture when you disconnect because if you hook it backward one of two things will happen. If it is a modern system, it is protected by blowing a fuse, but in some of the older units, the 'magic smoke" leaks out and you will need a new converter. Think of your RV as a living space like the house where the BLACK is the hot or plus wire and the WHITE is the neutral or negative wire. My Scamp has this label.
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battery lable.jpg  
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Old 07-14-2021, 04:45 PM   #9
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Indiana
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One thing to start out checking is check continuity frame to frame to make sure you are making good connection to the frame. I would call samp and ask. They seem to be good to work with.
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Old 07-15-2021, 08:22 AM   #10
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You need to scrape the paint off the frame to check for ground.
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Old 07-15-2021, 09:07 AM   #11
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You need to scrape the paint off the frame to check for ground.

Very true. But then I also do as I said and check and make sure that I am getting a good connection between two close points on the frame.
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Old 07-15-2021, 12:38 PM   #12
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Hey folks, I found the problem...it was the second fuse. There is no ground on this trailer. OK, stop replying...
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Old 07-15-2021, 12:39 PM   #13
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No ground on this trailer, read earlier post...problem was fuse...
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Old 07-18-2021, 02:37 PM   #14
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Name: Pat
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Originally Posted by Doc Wood View Post
No ground on this trailer, read earlier post...problem was fuse...
I know your problem was a fuse, but still you have to have a ground somewhere. The negative side of the battery has to hook to something. That would be your ground.
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Old 07-20-2021, 05:01 PM   #15
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Name: Terry
Trailer: Gulfstream
Memphis
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Originally Posted by Doc Wood View Post
Hey there friends...

I just replaced the battery on my 13' 2019 scamp but it doesn't work--as in the lights don't come on. I have tested the battery and the fuse, all good. However, when I test the battery ground (tester to positive post and frame) I get a bad reading. This seems to tell me that perhaps the battery is not well grounded. I can't seem to figure out where the ground wire is--does not appear on the wiring diagram I have...

So, anybody out there want to chime in on my next steps?

Thanks for the help, happy travels!
REVERSED POLARITY ERROR: MOST LIKELY you have the BLACK/ WHITE BATTERY CABLES? (In RV Black/White, (BLACK= +POS) and (White=-NEG) Vs (Automotive Red/Black) where Black= NEG. THIS ALSO BLOWS THE 30A MAIN CONVERTER FUSES One of the 30a protects/disconnects Converter, the other 30a protects/ disconnects Battery from Branch FUSE STRIP
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