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11-01-2015, 09:46 AM
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#1
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Winnebago Owner
Join Date: Jul 2006
Location: Conway, SC
Posts: 166
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2002 UA Starting Battery Question
I should of asked this question a few years ago. My coach a Ultimate Advantage, 40J has 3 group 31, 995 CCA batteries. When I look at the specs it shows original equipment is 2.
Was there an option for 3?
Does any UF/UA owner have 3 installed. Kind of makes me wonder why.
Do I need 3 batteries if I replace in the near future as these are close to 5 years old
Thanks for any reply.
__________________
2002 Winnebago Ultimate Advantage 40J, Roadmaster InvisiBrake Model 8700
2012 Chevy Captiva
NEVER FORGET
"Everyone Goes Home"
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11-01-2015, 12:32 PM
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#2
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Winnebago Master
Join Date: Aug 2005
Location: Nashua, NH
Posts: 1,823
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The Chassis Wiring Installation diagram for your coach shows 3 group 31 house/coach batteries and 2 group 31 chassis/engine batteries. Are you sure you're looking at the chassis batteries?
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Chris Beierl
2005 Winnebago Vectra 36RD
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11-01-2015, 12:53 PM
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#3
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Winnebago Master
Join Date: Aug 2002
Location: ...hopefully on the road!
Posts: 1,653
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The oem setup for the UAs was three Gp 29 deep discharge 675 cca, 130 amp hr for house batteries, and two Gp 31 600 cca 115 amp hr for chassis batteries.
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Paul (KE5LXU) ...was fulltimin', now parttimin'
'03 Winnebago UA 40e TRADED OFF JUL 2023 / '17 Jeep Grand Cherokee toad
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11-01-2015, 02:12 PM
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#4
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Winnebago Master
Join Date: Aug 2005
Location: Nashua, NH
Posts: 1,823
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Quote:
Originally Posted by cbeierl
The Chassis Wiring Installation diagram for your coach shows 3 group 31 house/coach batteries and 2 group 31 chassis/engine batteries. Are you sure you're looking at the chassis batteries? |
Just fyi, the diagrams don't actually show the group # for the batteries, but group 31 should fit.
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Chris Beierl
2005 Winnebago Vectra 36RD
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11-01-2015, 02:29 PM
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#5
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Winnebago Owner
Join Date: Jul 2006
Location: Conway, SC
Posts: 166
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The coach has 3 group 29 batteries, replaced last March, for the house and 3 group 31 batteries for the chassis.
The coach also has a 50 amp fused wire connected to the chassis batteries that I believe powers the computers and dash gauge cluster.
__________________
2002 Winnebago Ultimate Advantage 40J, Roadmaster InvisiBrake Model 8700
2012 Chevy Captiva
NEVER FORGET
"Everyone Goes Home"
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11-01-2015, 03:13 PM
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#6
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Winnebago Master
Join Date: Aug 2005
Location: Nashua, NH
Posts: 1,823
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Quote:
Originally Posted by depchief
The coach has 3 group 29 batteries, replaced last March, for the house and 3 group 31 batteries for the chassis.
The coach also has a 50 amp fused wire connected to the chassis batteries that I believe powers the computers and dash gauge cluster.
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I would be inclined to set it up for 4 house batteries and 2 chassis, since there seems to be room.
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Chris Beierl
2005 Winnebago Vectra 36RD
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11-01-2015, 08:27 PM
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#7
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Winnebago Master
Join Date: Aug 2001
Location: North America somewhere
Posts: 2,103
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depchief, your house batteries are on the left when viewing the battery compartment. An easy way to check is, remove the neg cables from them and start the engine. If it doesn't crank I am wrong.
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2000 Winnebago Ultimate Freedom USQ40JD, ISC 8.3 Cummins 350, Spartan MM Chassis. USA 1SG, retired;PPA,Good Sam Life member,FMCA. "We the people are the rightful masters of both the Congress and the Courts - not to overthrow the Constitution but to overthrow men who pervert the Constitution." Abraham Lincoln
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11-02-2015, 02:33 PM
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#8
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Winnebago Owner
Join Date: Jul 2006
Location: Conway, SC
Posts: 166
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Ray You are correct the house is on the left and chassis is on the right. Each is 3 batteries
cbeierl interesting suggestion, with deep cycle house batteries and regular batteries for the chassis how would the two types interact
__________________
2002 Winnebago Ultimate Advantage 40J, Roadmaster InvisiBrake Model 8700
2012 Chevy Captiva
NEVER FORGET
"Everyone Goes Home"
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