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09-04-2014, 05:25 PM
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#1
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Senior Member
Join Date: Aug 2012
Location: South Jersey
Posts: 525
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Battery Disconnect Switch
I was replacing the battery and battery box. Did I need to install a disconnect switch? I don't think so but I did it anyway.
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09-04-2014, 07:56 PM
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#2
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Senior Member
Join Date: Dec 2010
Posts: 1,645
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That's a nice looking job.
I guess nobody has to have a battery disconnect switch, but it sure is more convenient than pulling a fuse. And since some equipment in RV's uses battery power all the time, disconnecting the battery when the trailer is not in use is an excellent idea.
__________________
There's lots of advice and information in forums... sometimes it is correct. For example, all of my posts are made by a political appointee who got the job as a reward for contributions to my diesel bill.
2011 Jayco 28.5RLS; 2021 Chevy Duramax; Pullrite Superglide Hitch
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09-04-2014, 08:11 PM
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#3
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Senior Member
Join Date: Feb 2012
Location: Friendswood
Posts: 917
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Nice clean job. Thanks for sharing.
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09-05-2014, 12:23 AM
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#4
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Moderator Emeritus
Join Date: Apr 2011
Location: Michigan
Posts: 9,424
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Looks like a winner to me
I have yet to install a disconnect switch...., since I keep my TT in a public storage facility I have to remove my batteries, otherwise the switch would make things a whole lot easier.
Bob
__________________
2016 GM 2500HD 6.0L/4.10
2018 Jay Flight 24RBS
2002 GM 2500HD 6.0L/4:10 (retired)
2005 Jayco Eagle 278FBS (retired)
1999 Jayco Eagle 246FB (retired)
Reese HP Dual Cam (Strait-Line)
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09-05-2014, 09:00 AM
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#5
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Senior Member
Join Date: Sep 2011
Location: King George
Posts: 2,761
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Nice Installation - One caution when installing a battery disconnect switch. The Trailer when being towed has a DOT 12VDC requirement for the trailer if it becomes disconnected from the tow vehicle when going down the road.
You might want to wire this DOT requirement directly to the battery terminals to always be HOT regardless which position the battery disconnect switch may be in. This may help others involved with towing your trailer and not realize the battery disconnect switch also disconnected the required 12VDC feeding the trailer electric brakes circuit when disconnected from the tow vehicle.
Roy Ken
__________________
Roy and Carolyn
I claim Horse Creek Country in Southern Ill - Momabear is from North Texas
We live in King George VA
RETIRED DOD DOAF DON CONTRACTOR Electronics Tech 42YRS
"We're burning daylight" - John Wayne
2008 STARCRAFT 14RT OFF-ROAD POPUP with PD9260C and three 85AH 12VDC batteries
2010 F150 FX4 5.4 GAS with 3.73 gears - Super Cab - Towing Package - 2KW Honda EU2000i Gen
K9PHT (since 1957) 146.52Mhz
"We always have a PLAN B"
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09-05-2014, 09:34 AM
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#6
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Senior Member
Join Date: Aug 2012
Location: South Jersey
Posts: 525
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Roy, I get what you are saying. The switch I installed is only going to be used when the trailer is in storage. I just think it will be easier to flip the switch instead of opening the box to disconnect the negative or fumbling with the inline fuse (I have cable wrap on the line).
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09-11-2014, 09:21 PM
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#7
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Member
Join Date: Jul 2014
Location: Bedford Michigan
Posts: 99
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Just did mine today. I used a smaller automotive switch and an existing hole in frame underneath the front. I had left the camper parked for a couple weeks and something inside drained out the battery. So now, I will be certain that everything is off!
Like Roy suggested, the emergency brake is wired directly to the battery. It's even in front of the installed in-line fuse. I also left the powered jack in front of the switch...I may want to use that without having to power up everything else.
While I was under there, I cleaned up the messy wiring which I assume was hastily done by the dealer.....I hate rat nests!
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2014 Toyota Sienna
2014 JayCo X19H
Husky WDH, Curt Class 3, Prodigy P2
AirLift 1000 Suspension
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09-11-2014, 09:24 PM
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#8
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Moderator Emeritus
Join Date: Apr 2011
Location: Michigan
Posts: 9,424
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MrScary,
Nice install, and in a convient location.
Bob
__________________
2016 GM 2500HD 6.0L/4.10
2018 Jay Flight 24RBS
2002 GM 2500HD 6.0L/4:10 (retired)
2005 Jayco Eagle 278FBS (retired)
1999 Jayco Eagle 246FB (retired)
Reese HP Dual Cam (Strait-Line)
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09-11-2014, 10:43 PM
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#9
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Senior Member
Join Date: Dec 2010
Location: North Idaho/Arizona
Posts: 5,446
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In the past I haven't had a need for a switch but now that I am leaving the trailer in Az for the summer I see where my life could be simpler with a switch instead of a wrench to hook them back up twice a year. We used to use the trailer year round but not any more.
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2011 Eagle 330RLTS with just about every option.
2017 Silverado 1500 4x4 5.3 with tow package. (no, we don't tow the Jayco with it.)
2018 Surveyor 265RLDS well equipped.
Life in the slow lane is still life.
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09-12-2014, 05:31 AM
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#10
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Senior Member
Join Date: Jun 2014
Location: Highland
Posts: 477
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I installed my switch in the side of the battery box. You mention the draw on the battery. I found one nobody mention's and that's the power antenna. No idea how much and not worried any more with my switch
__________________
Chris Moore
2010 Starcraft/Jayco 297BHS pulled by
2009 Chevy Silverado
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09-12-2014, 05:32 AM
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#11
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Member
Join Date: Jul 2014
Location: Bedford Michigan
Posts: 99
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Exactly. Should be OEM in my opinion...
__________________
2014 Toyota Sienna
2014 JayCo X19H
Husky WDH, Curt Class 3, Prodigy P2
AirLift 1000 Suspension
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09-12-2014, 05:48 AM
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#12
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Lost in the Woods
Join Date: Jun 2014
Location: Woodstock
Posts: 1,128
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Quote:
Originally Posted by MrScary
Exactly. Should be OEM in my opinion...
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it is with most other manufacturers other than Jayco
along with bigger converters, Led lights, better fans and so on and so on.
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09-12-2014, 11:35 AM
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#13
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Senior Member
Join Date: Aug 2012
Location: South Jersey
Posts: 525
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Nice job!
I've been going back and forth about wiring the emergency brake directly to the battery. I'm sure its not too difficult. I'm just having a bit of trouble visualizing exactly how I'm going to it. Part of it is that I don't really feel like messing with it again. The disconnect switch install that I did should have only taken a matter of minutes but ended up costing me a full afternoon and two trips to the auto parts store. It wasn't a planned mod. It just sort of evolved out of another smaller and simpler job.
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