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04-03-2017, 08:58 PM
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#1
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Senior Member
Join Date: Jun 2016
Location: Denver
Posts: 4,250
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Ok to shore power with battery removed?
Just wondering, I yanked the coach battery out (completely out) to test it tomorrow. I'm wondering if it's OK to plug into shore power with the battery out?
What got me thinking was that the leads will be energized, I'm assuming, since the converter would be trying to charge the battery.
Is the converter smart enough to notice the missing battery?
thanks
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04-03-2017, 09:10 PM
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#2
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Junior Member
Join Date: Mar 2017
Location: Portage La Prairie
Posts: 15
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good question, I am doing that right now....no battery...
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04-03-2017, 10:34 PM
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#3
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Senior Member
Join Date: May 2012
Location: Minnesota
Posts: 9,783
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It's fine, just make sure the power leads don't ground out
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04-04-2017, 05:50 AM
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#4
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Senior Member
Join Date: Jul 2014
Posts: 957
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Some tape over the neg connector and should be ok.
__________________
'08 Greyhawk 31SS Traded in
2018 MR2410RL
Goodyear Endurance
Equalizer WDH
TV 2018 F150 FX4 SC 3.5EB TP/MT
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04-04-2017, 07:21 AM
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#5
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Senior Member
Join Date: Jun 2010
Location: Saskatoon Sask Canada
Posts: 10,726
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Quote:
Originally Posted by jimp
Some tape over the neg connector and should be ok.
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NEG???? I think that should be the POS connectory
__________________
Seann
2004 Chev Silverado Duramax optioned past the max. 2009 Jayco Eagle 308 RLS 900watts of solar, Lithium batteries (400amp hour), 2000 watt (4000 surge) whole house inverter.
145days /2023 2022/151 2021[/COLOR]
93/2020,157/2019219/2018 206/2017,215/2016, 211/2015, 196/14, 247/13, 193/12
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04-04-2017, 06:41 PM
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#6
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Senior Member
Join Date: Jul 2014
Posts: 957
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Quote:
Originally Posted by Seann45
NEG???? I think that should be the POS connectory
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I would tape up the NEG just like I stated. You won't have a complete connection with the NEG disconnected & taped up to prevent any possible contact with a ground source.
__________________
'08 Greyhawk 31SS Traded in
2018 MR2410RL
Goodyear Endurance
Equalizer WDH
TV 2018 F150 FX4 SC 3.5EB TP/MT
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04-04-2017, 06:44 PM
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#7
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Senior Member
Join Date: Jan 2015
Location: DFW
Posts: 3,493
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Quote:
Originally Posted by jimp
I would tape up the NEG just like I stated. You won't have a complete connection with the NEG disconnected & taped up to prevent any possible contact with a ground source.
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What he said.
__________________
Dan
'24 GMC 2500 AT4X AEV Edition
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04-04-2017, 07:34 PM
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#8
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Senior Member
Join Date: Jun 2010
Location: Saskatoon Sask Canada
Posts: 10,726
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Anything metal the pos cable touches is already grounded.....
__________________
Seann
2004 Chev Silverado Duramax optioned past the max. 2009 Jayco Eagle 308 RLS 900watts of solar, Lithium batteries (400amp hour), 2000 watt (4000 surge) whole house inverter.
145days /2023 2022/151 2021[/COLOR]
93/2020,157/2019219/2018 206/2017,215/2016, 211/2015, 196/14, 247/13, 193/12
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04-04-2017, 08:21 PM
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#9
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Senior Member
Join Date: Mar 2015
Location: Port Orchard
Posts: 2,065
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The 12 volt system in an RV is floating meaning the return/ground side comes from the battery or the converter and is only referenced to that RV. It really makes no difference which side is isolated. If one side of the battery is isolated from the RV, there is no current path for the battery.
The risk involved is when disconnecting the positive side, the tool comes in contact with a grounded metal point on the RV. If the ground is disconnected first, this risk isn't there unless the tool touches the other battery terminal.
__________________
Don
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04-05-2017, 07:37 AM
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#10
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Lost in the Woods
Join Date: Apr 2016
Location: Ontario Canada
Posts: 256
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Quote:
Originally Posted by jimp
Some tape over the neg connector and should be ok.
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Yeah, I'm with Seann on this one !!
The only battery lead that needs to be taped up (isolated) is the positive lead.
If the ground lead accidentally touched the frame of the TT, it wouldn't matter because that's what the opposite end is fastened to making the whole trailer negative (ground).
When plugged into shore power, the positive lead will be +12V (+13.4 actual volts) to charge the battery. If this touches ground, the charge circuit will trip.
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04-05-2017, 09:15 AM
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#11
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Senior Member
Join Date: Jun 2013
Location: Waconia, MN
Posts: 447
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Quote:
Originally Posted by Danno
Yeah, I'm with Seann on this one !!
The only battery lead that needs to be taped up (isolated) is the positive lead.
If the ground lead accidentally touched the frame of the TT, it wouldn't matter because that's what the opposite end is fastened to making the whole trailer negative (ground).
When plugged into shore power, the positive lead will be +12V (+13.4 actual volts) to charge the battery. If this touches ground, the charge circuit will trip.
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X2!
__________________
2015 Chevy Silverado 2500HD CC Duramax
2016 Eagle 323LKTS Java
Pull Rite SuperGlide #4100 Hitch w/Mor-Ryde Pin Box
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