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Old 06-26-2017, 03:44 AM   #1
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Brand: Thor Motor Coach
Model: ACE 27.1
State: Virginia
Posts: 315
THOR #7607
Name this Box

While I was fixing my transfer switch meltdown, I spotted this device. I didn't see any numbers or label. Anyone recognise it. It has a 5 amp fuse in a holder.
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Old 06-26-2017, 04:15 AM   #2
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Brand: Thor Motor Coach
Model: outlaw 37ls
State: Europe
Posts: 230
THOR #6831
Mystry box

IT SEEMS TO BE THE BATTERY DISCONNECT WHEN YOU PUT THE COACH TO SLEEP

RV Custom Battery Disconnect Latching Relay RVC1002 | pdxrvwholesale
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Old 06-26-2017, 04:23 AM   #3
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Brand: Thor Motor Coach
Model: ACE 27.1
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THOR #7607
Thanks, I will do some checking. I have another type of relay in the battery compartment. I was thinking that it was the use/store relay.
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Old 06-26-2017, 04:26 AM   #4
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Brand: Thor Motor Coach
Model: ACE 27.1
State: Virginia
Posts: 315
THOR #7607
My engine is not charging the coach batteries, so I was hoping to see if this was involved in that problem.
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Old 06-26-2017, 12:28 PM   #5
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Brand: Thor Motor Coach
Model: 2016 Axis 24.1
State: Florida
Posts: 2,211
THOR #1765
Quote:
Originally Posted by ComputerChips View Post
My engine is not charging the coach batteries, so I was hoping to see if this was involved in that problem.
Is your generator charging the house batteries or shore power?
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Old 06-26-2017, 01:00 PM   #6
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Brand: Thor Motor Coach
Model: ACE 27.1
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THOR #7607
Yes it does. Shore power or generator will charge the house batteries only.
Engine charges the coach battery only.
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Old 06-26-2017, 03:17 PM   #7
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Brand: Thor Motor Coach
Model: 2016 Axis 24.1
State: Florida
Posts: 2,211
THOR #1765
Quote:
Originally Posted by ComputerChips View Post
Yes it does. Shore power or generator will charge the house batteries only.
Engine charges the coach battery only.
If all your other systems are working as they should on shore power, generator or house batteries if they are fully charged, then you probably have a problem with your BIRD or Trombetta or similar system. See the below link to Ed Felkers Axis/Vegas manual many if the systems on the ACE are the same or very similar to the Axis/Vegas.

Link to Ed Felker's Vegas/Axis Manual

Page 50 and 53-4 discuss the charging system and how it works. (Page #s could be slightly different if I do not have the most recent edition) The one in my Axis was wired incorrectly from the factory so shore power/generator did not charge the engine batteries. Others have had similar problems, usually traced to a bad or incorrectly wired BIRD.
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Old 06-26-2017, 03:19 PM   #8
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Brand: Thor Motor Coach
Model: 2016 Axis 24.1
State: Florida
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THOR #1765
Sorry, that link is no longer the good one. This one works.

https://1drv.ms/w/s!AiYx6DLSeiiP6UNyy_VYGDO0BW6L

Thanks again to Ed Felker, for the great work putting this together and keeping it current.
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