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11-04-2020, 03:15 PM
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#1
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Junior Member
Join Date: Sep 2019
Posts: 18
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Auxiliary batteries not connecting
I have a 1994 Fleetwood Flair. When I am connected to shore power, everything electrical works just fine. When I disconnect from shore power the system does not switch over to the Auxiliary batteries . Thus no interior lights etc, The Auxiliary battery cutoff relay does not actuate when I toggle the switch. The main battery cutoff relay works OK. Changed both battery cutoff relays whith no change. Replaced both Auxiliary batteries, no change. Now what? Attached is a pic of the Solenoids and surrounding components in which I do not know what the are. Any ideas?
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11-04-2020, 03:36 PM
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#2
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Senior Member
Join Date: Apr 2017
Posts: 436
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Have to confirm that signal voltage is reaching the Aux cutoff relay (smaller posts on the relay) and also confirm that there are indeed electrons in the batteries (large lugs on the relay). Confirmation would best be served using a multimeter.
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11-04-2020, 03:39 PM
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#3
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Senior Member
Join Date: Jul 2014
Posts: 35,402
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Do you have 12 volt power at all 4 points I marked ?
The 2 items are auto reset circuit breakers. They could be bad. 
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11-04-2020, 03:42 PM
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#4
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Senior Member
Join Date: Jul 2014
Posts: 35,402
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Next test is to jump the house disconnect ( AUX ) solenoid. 
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11-04-2020, 04:54 PM
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#5
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Registered User
Monaco Owners Club
Join Date: Mar 2018
Location: Blairsville, GA & WPB, FL
Posts: 3,993
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As corroded the connections are, I would start by cleaning them.
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11-04-2020, 06:13 PM
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#6
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Senior Member
Damon Owners Club
Join Date: Apr 2020
Location: Clovis NM
Posts: 4,389
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Quote:
Originally Posted by earasim
I have a 1994 Fleetwood Flair. When I am connected to shore power, everything electrical works just fine. When I disconnect from shore power the system does not switch over to the Auxiliary batteries . Thus no interior lights etc,
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Am I missing something here? Don't the batteries provide power to the interior lights and other 12VDC items? Why would disconnecting shore power make any difference? I'm still trying to learn, so not a snob question.
__________________
2006 Damon Daybreak 3276 35'with 5 Star Tuner. 3 200 Amp Lithium batteries and 2000 watt PSW inverter/charger. 2013 Elantra on a Master Tow dolly.
Retired USAF
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11-04-2020, 06:51 PM
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#7
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Senior Member
Join Date: Jul 2014
Posts: 35,402
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Quote:
Originally Posted by HarryStone
Am I missing something here? Don't the batteries provide power to the interior lights and other 12VDC items? Why would disconnecting shore power make any difference? I'm still trying to learn, so not a snob question.
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A converter/charger can power the lights and pumps without the battery. They are connected to the fuse panel in the RV side if the disconnect.
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11-05-2020, 12:26 PM
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#8
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Junior Member
Join Date: Sep 2019
Posts: 18
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Yes, I show 12V+ on all the terminals.
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11-05-2020, 12:28 PM
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#9
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Junior Member
Join Date: Sep 2019
Posts: 18
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Yes, that is correct. But when I disconnect from shore power the batteries do not take over. That is the problem.
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11-05-2020, 12:30 PM
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#10
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Junior Member
Join Date: Sep 2019
Posts: 18
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You are correct. That is the way it is suppose to work. But the batteries do not take over like they are suppose to.
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11-05-2020, 12:32 PM
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#11
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Senior Member
Join Date: Jul 2014
Posts: 35,402
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Quote:
Originally Posted by earasim
Yes, I show 12V+ on all the terminals.
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Those two circuit breakers may power the house loads.
See if they head to the fuse panel. If they do, look for bad connections or blown fuses there.
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11-05-2020, 03:02 PM
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#12
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Senior Member
Join Date: Mar 2009
Posts: 1,717
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Quote:
Originally Posted by twinboat
Do you have 12 volt power at all 4 points I marked ?
The 2 items are auto reset circuit breakers. They could be bad. Attachment 306902 |
Actually Fleetwood used 30 amp manual circuit breakers for that application. There will be black buttons on the output end of each breaker. The two outputs feed the fuse panel located next to the circuit breaker panel inside the coach.
Richard
__________________
95 Bounder 32H F53
460
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11-05-2020, 05:04 PM
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#13
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Junior Member
Join Date: Sep 2019
Posts: 18
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Yes, confirmed that these breakers are manually reset. But I ran a continuity check and they passed.
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11-05-2020, 05:07 PM
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#14
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Junior Member
Join Date: Sep 2019
Posts: 18
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This is a good clue as no power is getting to those 2 small terminals. I can apply an external 12V power supply to them and they trip OK. Matbe the switch is bad. I will check the switch tomorrow. Thanks
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