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Old 03-26-2019, 06:50 PM   #1
Junior Member
 
Brand: Thor Motor Coach
Model: Windsport 34R
State: Florida
Posts: 2
THOR #14826
Coach battery

Hello Guys
I am a new member to the forum,
I have a question for you guys.
When I am parked up and connected to the mail line power supply should my chassis battery automatically charge up.
My battery is going flat....
Can any help with an answer

Regards
Frankjohn
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Old 03-26-2019, 07:33 PM   #2
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Brand: Thor Motor Coach
Model: 2019 Freedom Elite 30FE
State: Florida
Posts: 147
THOR #14543
Exclamation

Welcome Aboard !

Assuming you're referring to a motorhome (as opposed to a trailer) to get more accurate answers, you need to clarify whether you mean the chassis battery (the one that's used to start the engine) or the coach battery (the one that runs the lights, water pump, etc) of the RV.

What year and model is the RV ? In some, the shore power only charges the coach battery, and in others it charges both the chassis and coach batteries.
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2019 Thor Freedom Elite 30FE
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Old 03-26-2019, 11:05 PM   #3
Junior Member
 
Brand: Thor Motor Coach
Model: Windsport 34R
State: Florida
Posts: 2
THOR #14826
Hello
Thanks you for your reply,
I have a Thor Windsport 34R 2018.
It is the Chassis battery which is losing its charge.

Many thanks
Frankjohn
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Old 03-27-2019, 12:06 AM   #4
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Brand: Thor Motor Coach
Model: Axis 25.4
State: Delaware
Posts: 35
THOR #12773
Quote:
Originally Posted by Frankjohn View Post
Hello Guys
I am a new member to the forum,
I have a question for you guys.
When I am parked up and connected to the mail line power supply should my chassis battery automatically charge up.
My battery is going flat....
Can any help with an answer

Regards
Frankjohn
Welcome aboard and to answer the question yes the shore power should charge the main coach batteries. I would first check the water level on the batteries.
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Old 03-27-2019, 04:31 PM   #5
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Brand: Thor Motor Coach
State: Missouri
Posts: 223
THOR #6903
I am not sure how you battery banks connect but that is the place to start looking
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Old 03-27-2019, 10:20 PM   #6
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Brand: Thor Motor Coach
Model: Outlaw 29H
State: Florida
Posts: 197
THOR #12751
Coach battery

On some coaches if you hit the house power switch more than once it can toggle from charging to not charging the house batteries with the shore power plugged in.

You will need to put a voltmeter on the house batteries and toggle the switch to see when the voltage jumps over 13v.

On most Class Cs the shore power does not charge the chassis (engine starting battery). You can install this to let the house batteries keep the chassis battery charged when the motor is not running and you are plugged into shore power.


http://www.lslproducts.net/TLSPage.html
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