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03-11-2017, 05:13 PM
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#1
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Member
Join Date: Jan 2017
Location: Buena Park
Posts: 88
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2007 Seneca question
I bought my 2007 Seneca used and I have a question. Does anyone know if the chassis batteries charge while connected to shore power?
I ordered a Trik L Start, but now I'm not sure if I need it or not.
Thanks for any help!
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03-11-2017, 05:25 PM
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#2
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Senior Member
Join Date: Nov 2011
Location: Where ever the boss says we're going.
Posts: 15,950
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Our 2008 did.
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DISNEY LOVERS
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03-11-2017, 05:28 PM
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#3
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Junior Member
Join Date: Feb 2017
Location: Parker
Posts: 3
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Check in the space under the master closet, you should see the converter located there. Look up the model info for further info, but i suspect the converter takes care of all the charging need you may have.
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03-11-2017, 05:31 PM
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#4
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Junior Member
Join Date: Feb 2017
Location: Parker
Posts: 3
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Just reread your post, the coach batteries will charge from the converter, but the chassis batteries won't
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03-11-2017, 07:02 PM
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#5
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Member
Join Date: Jan 2017
Location: Buena Park
Posts: 88
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I think you are correct. I found an owners manual online and it does not say it will charge chassis batteries while on shore power.
Now I need to install the Trik L Charge.
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03-11-2017, 07:11 PM
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#6
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Senior Member
Join Date: Nov 2011
Location: Where ever the boss says we're going.
Posts: 15,950
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Quote:
Originally Posted by Goflight2
I think you are correct. I found an owners manual online and it does not say it will charge chassis batteries while on shore power.
Now I need to install the Trik L Charge.
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Before you spend the money send JAYCO your vin# and ask. My owner's manual didn't say that either, but our 08 was equipped to charge both house and chassis batteries on shore power.
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03-13-2017, 09:43 AM
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#7
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Senior Member
Join Date: Feb 2017
Location: Davie, Fl.
Posts: 1,020
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What about newer Senecas, do they charge the truck battery? Thanks
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Mark and Joanne
2018 Jayco Seneca 37TS (M2)
2023 Jeep Rubicon XT Recon
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03-13-2017, 11:59 AM
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#8
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Senior Member
Join Date: Dec 2014
Location: Akron
Posts: 3,196
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They are supposed to. There is a device (somewhat like a solenoid) near the coach batteries that can send converter power to the chassis batteries if they need charged.
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Rob R.
Akron, OH
2014 Seneca 37TS
Toads: 2019 Ford Edge ST or 2013 Ford Focus ST
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03-13-2017, 03:59 PM
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#9
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Senior Member
Join Date: Feb 2017
Location: Davie, Fl.
Posts: 1,020
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Thanks. There really is a lot more to these motorhomes than my previous TTs. I am thankful you guys and gals are there for guidance.
Mark
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Mark and Joanne
2018 Jayco Seneca 37TS (M2)
2023 Jeep Rubicon XT Recon
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03-13-2017, 04:32 PM
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#10
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Senior Member
Join Date: Mar 2016
Location: Orange County
Posts: 644
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When I get a chance, I'll test the battery voltage without the genset running, then with the genset running. Higher voltage with genset running indicates it is charging.
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2006 Jayco Seneca 34SS
2006 Jeep Wrangler Unlimited Rubicon Toad
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03-14-2017, 11:47 AM
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#11
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Senior Member
Join Date: Mar 2016
Location: Orange County
Posts: 644
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OK. Results. On our 2006 Seneca 34SS, the chassis batteries are NOT charged when plugged into shore power or running on genset. The coach batteries ARE charged under those conditions. The one exception is when you depress the button to connect both banks of batteries together, in which case, they are all part of the same circuit. But that's not a long-term solution for charging. So, you either need to run the chassis engine, hook up a separate charger, or connect a solar array charging system specifically to the chassis batteries if you want to keep them topped off.
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2006 Jayco Seneca 34SS
2006 Jeep Wrangler Unlimited Rubicon Toad
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03-14-2017, 11:48 AM
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#12
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Senior Member
Join Date: Mar 2016
Location: Orange County
Posts: 644
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Oh, BTW, this doesn't mean a 2007 is identical to a 2006, but I would be surprised if there was a significant change.
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2006 Jayco Seneca 34SS
2006 Jeep Wrangler Unlimited Rubicon Toad
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03-14-2017, 12:30 PM
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#13
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Senior Member
Join Date: Nov 2011
Location: Where ever the boss says we're going.
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Quote:
Originally Posted by Dustdevil
Oh, BTW, this doesn't mean a 2007 is identical to a 2006, but I would be surprised if there was a significant change.
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Then why did my 2008 35GS ????? They do make improvements as they progress.
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03-14-2017, 12:45 PM
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#14
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Senior Member
Join Date: Dec 2014
Location: Akron
Posts: 3,196
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Quote:
Originally Posted by Dustdevil
OK. Results. On our 2006 Seneca 34SS, the chassis batteries are NOT charged when plugged into shore power or running on genset. The coach batteries ARE charged under those conditions. The one exception is when you depress the button to connect both banks of batteries together, in which case, they are all part of the same circuit. But that's not a long-term solution for charging. So, you either need to run the chassis engine, hook up a separate charger, or connect a solar array charging system specifically to the chassis batteries if you want to keep them topped off.
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You could add a Battery Isolation Manager that would provide charging to all batteries (both chassis and coach) from the engine alternator (when driving) or from shore power/generator when camping. Keeps them from draining each other, but allows charging of all. That is what the newer Senecas have, but it would work just as well on any unit with split battery systems. See attached information for more details.
__________________
Rob R.
Akron, OH
2014 Seneca 37TS
Toads: 2019 Ford Edge ST or 2013 Ford Focus ST
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03-14-2017, 12:56 PM
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#15
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Senior Member
Join Date: Mar 2016
Location: Orange County
Posts: 644
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Quote:
Originally Posted by Grumpy
Then why did my 2008 35GS ????? They do make improvements as they progress.
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Yes, occasionally they do. It is possible they even made a change in 2007. I'm actually surprised mine doesn't charge both battery circuits while on shore power. I thought it probably did until I actually connected a meter.
__________________
2006 Jayco Seneca 34SS
2006 Jeep Wrangler Unlimited Rubicon Toad
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03-14-2017, 01:03 PM
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#16
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Member
Join Date: Jan 2017
Location: Buena Park
Posts: 88
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Looks like I will install the Trik L Start to be sure.
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03-14-2017, 01:58 PM
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#17
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Senior Member
Join Date: Mar 2016
Location: Orange County
Posts: 644
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Quote:
Originally Posted by Robbbyr
You could add a Battery Isolation Manager that would provide charging to all batteries (both chassis and coach) from the engine alternator (when driving) or from shore power/generator when camping. Keeps them from draining each other, but allows charging of all. That is what the newer Senecas have, but it would work just as well on any unit with split battery systems. See attached information for more details.
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Good information to have. I haven't yet run into a problem, but this could help extend battery life and ensure starts after a long-ish time in mothballs or winter storage.
__________________
2006 Jayco Seneca 34SS
2006 Jeep Wrangler Unlimited Rubicon Toad
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03-14-2017, 03:38 PM
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#18
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Senior Member
Join Date: Nov 2011
Location: Where ever the boss says we're going.
Posts: 15,950
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Quote:
Originally Posted by Goflight2
Looks like I will install the Trik L Start to be sure.
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As I mentioned earlier I would contact JAYCO and ask. Otherwise you may have two chargers trying to do the same job.
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03-14-2017, 04:41 PM
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#19
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Member
Join Date: Jan 2017
Location: Buena Park
Posts: 88
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Is there an email that you might know of to send my inquiry to?
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03-14-2017, 06:25 PM
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#20
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Senior Member
Join Date: Nov 2011
Location: Where ever the boss says we're going.
Posts: 15,950
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Quote:
Originally Posted by Goflight2
Is there an email that you might know of to send my inquiry to?
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www.jayco.com/site/contact/service
They want the last 8 digits of the JAYCO serial # not the Chevy serial #
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