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06-03-2018, 06:07 AM
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#1
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Junior Member
National RV Owners Club
Join Date: Feb 2018
Location: South Carolina
Posts: 19
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Chassis battery charging while on shore power?
I have a 2002 Sea Breeze and wanted to know if the chassis battery will charge while hooked up to shore power? I turn the disconnect switch off for that battery while camping because I don’t want it to drain down. Thanks.
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06-03-2018, 06:19 AM
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#2
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Registered User
Join Date: Oct 2010
Posts: 2,295
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most older coaches do Not charge the chassis batteries from shore power.
Our 2008 included. I use an external charger weekly to top up the batteries.
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06-03-2018, 06:30 AM
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#3
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Junior Member
National RV Owners Club
Join Date: Feb 2018
Location: South Carolina
Posts: 19
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I guess I’ll have to do that also. Thanks.
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06-03-2018, 08:35 AM
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#4
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Senior Member
Join Date: Oct 2014
Posts: 103
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You can also get an echo charger. Hooks to start batteries & bleeds some volts into the house batteries. Works great, no hassle.
__________________
1995 Dolphin 34' w/5.9 Cummins T/A 200hp & Allison 6 Speed
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06-03-2018, 02:52 PM
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#5
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Senior Member
Join Date: Mar 2017
Posts: 698
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Quote:
Originally Posted by smallworld
I have a 2002 Sea Breeze and wanted to know if the chassis battery will charge while hooked up to shore power? I turn the disconnect switch off for that battery while camping because I don’t want it to drain down. Thanks.
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That would depend if your coach has a RV custom products BCC. If it does, it should also charge the chassis battery when the coach batteries reach 13.2 volts, IF it is working correctly. Some coachs DON'T and those people that don't own a National coach don't know. It sure won't charge it if you have it disconnected. Use a meter and check the voltage on the coach and chassis batteries, write it down. Then unplug the shore power and take your readings again. If you have a higher volt reading when plugged in it was charging the battery.
__________________
1996 Challenger 313
2003 Dolphin 5320 sold
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06-03-2018, 07:49 PM
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#6
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Junior Member
Join Date: Jun 2018
Posts: 4
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Hi all teddy here. Ive been an owner of a 2007 national sea breeze for 3 weeks and ive pulled out my hair trying to get it to charge on shore power. I finally just put in a 3 bank boat battery charger and its doing so much better but im still wanting to know the proper way to fix my problem ,if i really have one.this is my first post so im green be patient. Thanks all, teddy.
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06-03-2018, 07:53 PM
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#7
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Junior Member
Join Date: Jun 2018
Posts: 4
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Hi charlie sounds like you know whats going on. Wso what do you think i should do to get my seabreeze to charge the proper way. Dont want to wire in a charger and do damage to something else. Thx teddy.
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06-03-2018, 10:28 PM
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#8
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Senior Member
Workhorse Chassis Owner
Join Date: May 2005
Posts: 672
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My chassis battery is charged when plugged into shore power. It depends on the inverter you have. My guess is your's does too. Do like Charlie suggested. Measure the voltage both plugged in and unplugged and don't activate the 12 volt disconnect switch.
__________________
Fred Kennerson
2003 Dolphin L/X 6320
Yucaipa, Ca
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06-03-2018, 11:21 PM
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#9
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Senior Member
National RV Owners Club Ford Super Duty Owner
Join Date: Sep 2010
Location: Horse Town USA, CA.
Posts: 3,783
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Quote:
Originally Posted by smallworld
I have a 2002 Sea Breeze and wanted to know if the chassis battery will charge while hooked up to shore power? I turn the disconnect switch off for that battery while camping because I don’t want it to drain down. Thanks.
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National RV's do charge the chassis battery when on shore power. If yours is not charging the chassis battery the most common problem is the interconnect/boost relay is bad. Call RV Custom Products and ask for the troubleshooting guide for your Battery Control Center (BCC) they will email it to you.
RV Custom Products
14000 Anson Ave, Santa Fe Springs, CA 90670
(562) 921-8353
__________________
1999 35 ft. Dolphin 5350, F53, Banks System, 5 Stars Tune, Air Lift Air Bags, Koni Shocks, Blue OX TruCenter, TigerTrak track bars F&R, Roadmaster 1-3/4" rear auxiliary sway bar, 2004 F450 Lariat Pickup 6.0 Diesel Crew Cab DRW, 4X4, GVWR 15,000, Front GAWR 6,000, Rear GAWR 11,000, GCWR 26,000,1994 36ft Avion 5er, GVWR 13,700, 2,740 Pin Weight.
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06-03-2018, 11:31 PM
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#10
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Senior Member
Join Date: Mar 2017
Posts: 698
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Quote:
Originally Posted by Teddy Joann
Hi charlie sounds like you know whats going on. Wso what do you think i should do to get my seabreeze to charge the proper way. Dont want to wire in a charger and do damage to something else. Thx teddy.
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Get the number off of the BCC and post it here. If it is a RV Custom products BCC they can send you a trouble shooting chart. I went through this with mine last year when I first bought my coach. My BCC has some burned caps and that part of my BCC don't work. My coach will never charge the chassis battery from the BCC because I'm not going to replace it. The comparitor circuit is burned up on mine, so I added a time delay on relay to charge the house batteries from the alternator after the engine has run 20 minutes. And I added a Ctek battery maintainer/charger to my chassis battery and plug it in when the coach is in storage.
Does your isolation solenoid work? Do you hear it click when you use the Aux start switch? If it's not working the house batteries won't charge from the alternator and the chassis battery won't charge from the converter.
Google this number 01033-10, that is the number on my board.
__________________
1996 Challenger 313
2003 Dolphin 5320 sold
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06-03-2018, 11:40 PM
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#11
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Senior Member
National RV Owners Club Ford Super Duty Owner
Join Date: Sep 2010
Location: Horse Town USA, CA.
Posts: 3,783
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Even if you hear the solenoid/relay click doesn't mean it will pass current through it. When mine failed it still operated but internal contacts were pitted and would not pass current.
__________________
1999 35 ft. Dolphin 5350, F53, Banks System, 5 Stars Tune, Air Lift Air Bags, Koni Shocks, Blue OX TruCenter, TigerTrak track bars F&R, Roadmaster 1-3/4" rear auxiliary sway bar, 2004 F450 Lariat Pickup 6.0 Diesel Crew Cab DRW, 4X4, GVWR 15,000, Front GAWR 6,000, Rear GAWR 11,000, GCWR 26,000,1994 36ft Avion 5er, GVWR 13,700, 2,740 Pin Weight.
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06-04-2018, 08:30 PM
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#12
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Registered User
Join Date: Oct 2010
Posts: 2,295
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I will echoe that a solenoid click is not proof that it is working.
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06-06-2018, 05:47 AM
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#13
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Senior Member
National RV Owners Club
Join Date: Sep 2014
Posts: 234
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I also have an 02 Breeze. My chassis battery stays charged on shore power and the alternator charges house batteries when we are traveling.
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06-07-2018, 05:57 AM
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#14
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Junior Member
National RV Owners Club
Join Date: Feb 2018
Location: South Carolina
Posts: 19
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Thanks. I was told this model would charge them both, but was leary of the info.
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