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11-19-2019, 03:42 PM
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#1
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Junior Member
Join Date: Oct 2019
Location: Springfield
Posts: 9
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Battery disconnect issue
2018 28 ft whitehawk with 2six volt batteries. Installed battery disconnect on positive terminal but still have 12 volts inside trailer with disconnect in off position. How can this happen?
2018 whitehawk.
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11-19-2019, 03:49 PM
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#2
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Senior Member
Join Date: Jul 2011
Location: Long Island, NY
Posts: 1,402
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The only thing I can think of is some issue with the disconnect switch. Take the battery positive terminal off and see if you still have power. If you don't then it's the switch.
__________________
2018 Jayco 28RLS
2012 F-250 6.2L 3.73
Equalizer Hitch
Yamaha 2400ISHC
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11-19-2019, 04:58 PM
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#3
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Lost in the Woods
Join Date: Apr 2019
Location: Ocean County
Posts: 2,807
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Does the trailer get power when plugged into the tow vehicle? Is the OP plugged into his vehicle or plugged into shore power?
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11-19-2019, 06:01 PM
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#4
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Junior Member
Join Date: Oct 2019
Location: Springfield
Posts: 9
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The trailer is sitting static with nothing hooked to it. No shore or vehicle power. I disconnected the switch and even with the positive cable not connected there’s still 12 volt power inside the trailer. The control panel has power. The radio has power. The carbon dioxide detector and USB connector LED lights are on. This isn’t making sense.
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11-19-2019, 07:19 PM
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#5
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Senior Member
Join Date: Jul 2019
Location: Peachtree City
Posts: 250
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Can you share a photo of the batteries as you have them in the disconnected state? If you disconnect both pos and neg terminals what happens?
__________________
James & Tricia
2020 Eagle 321RSTS
2006 F250 CC SB Lariat FX4
Dealerproofed by Powerstroke Specialties
Air Lift Loadlifter 5000 Airbags | Blue Ox Super Ride hitch
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11-19-2019, 08:06 PM
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#6
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Senior Member
Join Date: Sep 2014
Location: Hartford
Posts: 2,619
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On my 2011 the 12v items would work without battery. Your converter converts 120v to 12v Unplug your shore power, I promise everything will go off!
__________________
2015 Fi50 3.5 Ecoboost w/tow max
2018 Flagstaff Super Lite 29RKWS
2011 Jayco 28BHS
2005 F150 Platinum/Roush Package
WHERE EVER YOU GO....THERE YOU ARE
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11-19-2019, 08:43 PM
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#7
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Senior Member
Join Date: Jan 2011
Location: Arizona City
Posts: 10,169
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Dennis B post #4 nothing hooked up to the trailer. Sounds like the Battery disconnect switch may be bad
__________________
2018 Jayco Jayfeather 27 RL, 2002 Ford excursion, v-10, 3:73 gears 4x4 mine. 2020 Buick Encore Hers, Retired Air Force, now Retired.
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11-20-2019, 12:36 AM
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#8
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Junior Member
Join Date: Oct 2019
Location: Springfield
Posts: 9
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It’s not hooked up to anything.
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11-20-2019, 02:05 AM
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#9
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Senior Member
Join Date: Jan 2018
Location: arp
Posts: 193
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I recently bought a disconnect switch, that was faulty, it would not disconnect. I took it back and they gave me a replacement. working good now. It looked like this one. ( autozone)
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11-20-2019, 10:12 AM
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#10
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Senior Member
Join Date: Jul 2011
Location: Long Island, NY
Posts: 1,402
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Quote:
Originally Posted by dls1955
The trailer is sitting static with nothing hooked to it. No shore or vehicle power. I disconnected the switch and even with the positive cable not connected there’s still 12 volt power inside the trailer. The control panel has power. The radio has power. The carbon dioxide detector and USB connector LED lights are on. This isn’t making sense.
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There has to be a secondary power source somewhere in the trailer. This might be feature of the converter (a small battery that gets charger during converter operation) or a capacitor that has some residual charge that is powering some 12V devices.
__________________
2018 Jayco 28RLS
2012 F-250 6.2L 3.73
Equalizer Hitch
Yamaha 2400ISHC
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11-20-2019, 10:16 AM
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#11
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Lost in the Woods
Join Date: Apr 2019
Location: Ocean County
Posts: 2,807
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Quote:
Originally Posted by 2edgesword
There has to be a secondary power source somewhere in the trailer. This might be feature of the converter (a small battery that gets charger during converter operation) or a capacitor that has some residual charge that is powering some 12V devices.
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Exactly what I was just thinking. Maybe a small, backup, 12 volt battery stored in another compartment, or in a cabinet somewhere, that also gets charged when plugged into shore power.
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11-20-2019, 11:12 AM
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#12
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Senior Member
Join Date: Apr 2016
Location: Fortuna Foothills
Posts: 1,863
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...or the battery disconnect switch isn't between the + battery post and the trailer.
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11-23-2019, 04:37 PM
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#13
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Senior Member
Join Date: Jul 2018
Location: Green Bay
Posts: 398
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So how did this end up?
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11-23-2019, 07:56 PM
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#14
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Member
Join Date: May 2019
Location: oroville
Posts: 90
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its a mystery.
cant wait to hear how this plays out
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11-23-2019, 08:37 PM
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#15
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Senior Member
Join Date: Feb 2019
Location: Pensacola
Posts: 671
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Wish my Greyhawk had 12 volt power with no battery, must be a new option from Jayco...
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11-24-2019, 08:42 AM
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#16
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Senior Member
Join Date: Nov 2018
Location: Las Cruces (soon...)
Posts: 802
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My rig has a 2nd positive lead on the battery bank that goes right past the disconnect switch into the bundle heading towards the panel.
On many rigs the CO and smoke alarms plus electronics with memories (like a leveler, digital control panel) will by thusly hardwired. The only truly disconnected battery is one with no cables on it.
__________________
Joan & Angus Campbell
Winters in Las Cruces, NM, traveling the rest
2019 Pinnacle 36SSWS "Diana"
2019 F350 DRW Lariat CC Long Bed Diesel "Sheila"
3 Chihuahuas and 4 cats
We don't camp, we don't glamp, we LIVE.
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11-24-2019, 09:27 AM
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#17
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Member
Join Date: May 2019
Location: oroville
Posts: 90
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So DLS1955, to make sure iam reading this right you have no wires at all touching the positive post and still have power. You said the positive cable is removed but what about any other little gauge wires on the positive post. Just wanted to be clear
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11-24-2019, 09:31 AM
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#18
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Member
Join Date: May 2019
Location: oroville
Posts: 90
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When I mounted my disconnect switch I used the negative side of the battery and hooked all the ground wires to it. just incase anything comes lose or the plastic case breaks it wont have a lose positive wire arc or short out
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11-27-2019, 03:02 PM
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#19
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Junior Member
Join Date: Oct 2019
Location: Gatineau
Posts: 15
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Is it possible that a second battery is installed somewhere for the emergency braking system and it is connected to the panel?
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11-27-2019, 05:57 PM
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#20
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Junior Member
Join Date: Jun 2017
Location: Philadelphia
Posts: 3
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Hello, reconnect the positive and connect the disconnect switch on the negative side. There should be a cable from negative terminal leaving the battery box to the frame. . Remove it at the frame and it put that on your disconnect switch and get another cable and run it from the switch to the frame.
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