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11-22-2020, 02:28 PM
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#1
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Senior Member
Holiday Rambler Owners Club
Join Date: Nov 2007
Posts: 151
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House Batteries Spark
I have a 2013 HR Vacationer and have had this issue since we purchased it in 2016. I disconnect my house batteries, 2 @12volts, when I put it in the storage lot by removing the 2 negative terminals from the batteries. I do this to maintain their charge while in storage.
My question, is it normal to have "small" sparks when I reconnect the negative terminals?
According to the Owners Manual, small sparks are due to the inverter circuit.
One of the negative cables is connected to the frame.
Does anyone else have this situation??
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11-22-2020, 02:41 PM
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#2
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Senior Member
Newmar Owners Club
Join Date: Dec 2015
Location: Wellington, Florida
Posts: 1,720
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If anything is connected to the 12 volt system of your house batteries, which there usually are they will give a spark once connected. Even when the salesman switch is turned off.
__________________
Ted & Nancy
2015 Newmar Dutch Star 4018
2020 Jeep Wrangler Rubicon
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11-22-2020, 02:45 PM
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#3
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Senior Member
Monaco Owners Club
Join Date: Aug 2017
Location: Orlando, Florida
Posts: 5,819
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The Inverter will cause a spark when the house battery cable is connected - from the capacitors in the Inverter. The Inverter is connected directly to the batteries with its own cable. I assume that is the cable connection you are referring to.
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11-26-2020, 06:43 PM
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#4
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Senior Member
Join Date: Mar 2009
Posts: 1,717
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After you install the battery cable, remove it and reinstall it again. If you get a spark the second time, you have a load some where. If you get no spark the second time, it's just some capacitors charging up.
Richard
__________________
95 Bounder 32H F53
460
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11-26-2020, 07:00 PM
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#5
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Senior Member
Fleetwood Owners Club Ford Super Duty Owner
Join Date: Jun 2012
Location: SoCal
Posts: 15,749
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You are pulling a battery cable because the disconnect switch doesn't disconnect everything - notably the inverter/charger. If you do this often consider to install a battery disconnect switch right at the battery bank.
__________________
Vince and Susan
2011 Tiffin Phaeton 40QTH (Cummins ISC/Freightliner)
Flat towing a modified 2005 Jeep (Rubicon Wrangler)
Previously a 2002 Fleetwood Pace Arrow 37A and a 1995 Safari Trek 2830.
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11-29-2020, 07:35 AM
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#6
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Senior Member
Join Date: May 2019
Location: Smithfield, VA
Posts: 300
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Quote:
Originally Posted by denk
I have a 2013 HR Vacationer and have had this issue since we purchased it in 2016. I disconnect my house batteries, 2 @12volts, when I put it in the storage lot by removing the 2 negative terminals from the batteries. I do this to maintain their charge while in storage.
My question, is it normal to have "small" sparks when I reconnect the negative terminals?
According to the Owners Manual, small sparks are due to the inverter circuit.
One of the negative cables is connected to the frame.
Does anyone else have this situation??
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Every one has this. Perfectly normal. There are always some things that don’t have an off switch. Best to disconnect or put in a trickle charger
__________________
Tom & Carol, Smithfield, VA
2000 Dutch Star DP 3851 Spartan
CWO2 USN-Ret
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11-29-2020, 10:10 AM
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#7
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Senior Member
Join Date: Aug 2017
Location: Burien, Wa
Posts: 1,279
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Quote:
Originally Posted by vsheetz
You are pulling a battery cable because the disconnect switch doesn't disconnect everything - notably the inverter/charger. If you do this often consider to install a battery disconnect switch right at the battery bank.
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We have some parasitic loads that draw down our batteries over time so in storage we disconnect as well. And we get the spark
Looking to install this 500 amp Disconnect:
https://www.flamingriver.com/fr1046-...ck-out-bracket
Stay Safe,
greg
__________________
Greg and Vicki R.
2004 Country Coach Intrigue "Sweet Serenade"
40' Tag Axle Quad slide CCI #11811
16 Jeep Wrangler, Airforce One
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11-29-2020, 10:20 AM
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#8
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Senior Member
Join Date: Dec 2009
Location: Out there, somewhere
Posts: 9,941
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Yiiiiip,
I get it too, each and every time I yank all four 6V batts for cleaning and maintenance. And yep, the house battery switch is in the OFF position. I figured it was the inverter/charger. I would think that, if there's that kind of spark, (almost no matter what size the spark is), that something would eventually get damaged inside that inverter by causing that 12V surge each time the batt posts are connected. But, so far, everything still works so, no damage yet.
Scott
__________________
2004 ITASCA HORIZON 36GD, 2011 GMC Sierra 1500 4x4 Toad '20 Honda NC750X DCT
 2018 Goldwing Tour DCT Airbag
Retired-29.5 yrs, SDFD, Ham - KI6OND
Me, Karla and the Heidi character, (mini Schnauzer)!
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11-29-2020, 05:28 PM
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#9
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Senior Member
Join Date: Nov 2018
Location: Fulda, MN
Posts: 1,248
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The propane detector is on at all times unless the batteries are disconnected. This is so if the disconnect switch is off it will still work.
__________________
2000 Winnebago Adventurer 32v, P32 Workhorse Chassis with 01/2000 build date with factory wide track front end, 7.4l Vortech, J71 Ultra RV upgraded 67,000 miles
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12-09-2020, 06:19 AM
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#10
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Senior Member
Entegra Owners Club American Coach Owners Club Spartan Chassis RV Trip Wizard
Join Date: Mar 2014
Posts: 146
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I know this post is almost a month old but a question - when disconnecting / connecting battery cables on a diesel - is there a specific procedure as to which cable ( + or - ) gets disconnected / connected first?
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12-09-2020, 06:35 AM
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#11
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Senior Member
Newmar Owners Club Carolina Campers Spartan Chassis
Join Date: Apr 2019
Location: China Grove, NC
Posts: 996
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If you have a magnum inverter you disconnect its positive 1st according to magnum.
__________________
Randy Goodman - 2006 Newmar Mtn Aire 4032 DP, Spartan, Blue OX Avail, 2021 JLU Rubicon 35/12.5s. 2020 Jeep JLU Sahara stock.1st RV 3/19. Looking for a much nicer\NEW ride!!
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12-09-2020, 06:46 AM
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#12
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Senior Member
Join Date: Jul 2014
Posts: 35,424
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The negetive terminal is the safest one to remove first. That prevents the tool from creating a dangerous spark and short to ground.
If the tool was touching the positive terminal and touched ground, with ground still connected, that will cause problems.
Magnum does recommend removing the positive cable first.
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12-09-2020, 11:40 AM
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#13
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Senior Member
Country Coach Owners Club
Join Date: Feb 2019
Location: Tucson AZ
Posts: 457
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Quote:
Originally Posted by rfg9585
If you have a magnum inverter you disconnect its positive 1st according to magnum.
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^^This.
To prevent the issue Twinboat describes, use an insulated tool. I have a specific tool just for this purpose. Quarter inch drive ratchet with the socket and ratchet completely covered with insulating material.
__________________
John
2007 Country Coach Tribute; Cat C9 400; 2012 Ford Edge toad; Roadmaster Blackhawk 2 10,000 lb tow bar; Demco AF1 Braking System; 2007 BMW K1200LT Hannigan Trike Conversion; Member, IEEE, NFPA, PMI, NRC SRO (Ret).
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12-10-2020, 04:23 AM
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#14
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Senior Member
Entegra Owners Club American Coach Owners Club Spartan Chassis RV Trip Wizard
Join Date: Mar 2014
Posts: 146
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Good to know - thanks.
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