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08-04-2018, 10:07 AM
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#1
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3 Rivet Member
2017 25' Flying Cloud
Lawn Guyland
, New York
Join Date: Jun 2016
Posts: 144
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Upgrade 2017 FC 25FB to Lifeline GPL-27t - what other changes are needed?
From other posts, it looks like Lifeline AGM GPL-27T will fit in the battery box to replace my OEM Interstate group 24s, so I am looking to do that (already have the PD 4655).
What else has to be done to do this swap? Looks like the automotive battery clamps for the red and black cables need to be changed? Looking for specifics on what that change involves so I can figure out if I can do it or have to have it done somewhere.
Appreciate the assistance -
Walt
__________________
Walt
WBCCI - 29375
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08-04-2018, 10:22 AM
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#2
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Half a Rivet Short
2017 30' Classic
2022 Interstate 24X
Carlisle
, Pennsylvania
Join Date: May 2017
Posts: 15,740
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Hi
The old batteries come out and the new batteries go in the same place. As long as you are looking at 12V batteries there really is nothing else to change. If you get the version of the AGM that does not have "normal" posts, you will have to swap out connections. ( The GPL-27T *does* have normal posts along with the bolts).
Given the price of AGM's .... you might consider lithiums.
Bob
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08-04-2018, 12:12 PM
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#3
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3 Rivet Member
2017 25' Flying Cloud
Lawn Guyland
, New York
Join Date: Jun 2016
Posts: 144
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"Drop in with no changes" is just my speed. Thanks -
__________________
Walt
WBCCI - 29375
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08-16-2018, 03:37 AM
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#4
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3 Rivet Member
2017 25' Flying Cloud
Lawn Guyland
, New York
Join Date: Jun 2016
Posts: 144
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Does anyone have a photo of their installed GPL-27T in the later model (2017) box so i can get an idea of arrangement, wiring schemes, etc?
I can get the new LIfelines into the box, if I remove the plastic tray, and if I run the Lifelines in the east-west orientation instead of the north-south orientation of the OEM Interstates. Wiring is a little tight but i think i can make it.
i can’t get the large “wing nut” on the threaded post to screw down to tighten on the battery cases because there is not enough room between the batteries for the nut to go all the way down. I am looking for a different clamping nut without the wings to see if that will work.
Am i missing anything?
Thanks,
__________________
Walt
WBCCI - 29375
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08-16-2018, 07:18 AM
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#5
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3 Rivet Member
2008 19' International
Lincoln
, Nebraska
Join Date: Jan 2015
Posts: 192
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Quote:
Originally Posted by D44
i can’t get the large “wing nut” on the threaded post to screw down to tighten on the battery cases because there is not enough room between the batteries for the nut to go all the way down. I am looking for a different clamping nut without the wings to see if that will work.
Am i missing anything?
Thanks,
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My scenario was a little different, but I replaced the wing nut with a fender washer. Cut down the threaded rod, use a 3/8" coupler and bolt with a lock washer and fender washer. Cleaned things up nicely for me with much better access to the wet cell caps. YMMV.
Happy trails,
Mike
__________________
Mike (W9LG) and Jennifer
2008 International 19' Ocean Breeze, Equal-i-zer WDH
2015 Ford F150 4x4 Lariat SuperCrew EcoBoost, 3.55, Max Tow
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08-16-2018, 11:31 PM
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#6
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Rivet Master
Commercial Member
New Borockton
, Alabama
Join Date: Sep 2002
Posts: 1,593
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I would also consider the group 27 6 volts from Fullriver. They have a better warranty and as you probably know 6 volt batteries are going to give you more discharge cycles than 12 volt.
__________________
Randy...Converters, Inverters, Trimetric, Surge Protectors, Zamp, Smartplug, AGM Batts
888-828-1893
Bestconverter.com
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08-17-2018, 04:35 AM
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#7
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3 Rivet Member
2017 25' Flying Cloud
Lawn Guyland
, New York
Join Date: Jun 2016
Posts: 144
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here is what i came up with - installed the Lifelines E/W in the the box - there is enough room between them for the OEM threaded rod and i slipped a wedge from a battery hold down kit over the rod and in between the batteries.
When i snug the large wing nut down it secures the wedge between the batteries and that keeps the batteries tight against the front and back walls of the box.
Switched out the OEM positive and negative jumpers for #4 premade cables from West Marine - they are a little longer than i would have liked but they seem OK for this application.
Thanks all for the help.
__________________
Walt
WBCCI - 29375
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