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12-28-2013, 02:18 PM
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#1
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Junior Member
Thor Owners Club
Join Date: Aug 2012
Posts: 26
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DEAD Battery
After towing my CRV-EXL for 200 miles today, I have a dead CRV battery! Had Invisibrake installed by CW September 2012 and it has worked well. On two previous occasions I've had a dead CRV battery, but only after very long drive days, never after only four hours. Getting frustrated with the "trickle" charge feature of the system.
Any ideas why the battery went dead? Better yet, any suggetions on how to prevent it?
Thanks.
2009 CRV-EXL with Invisibrake
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John, Mary and 2 felines (Dori and Dulci)
2012 Thor ACE 29.2
2009 Honda CR-V with Blue Ox Tow-bar and Invisibrake
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12-28-2013, 03:29 PM
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#2
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Senior Member
Damon Owners Club Workhorse Chassis Owner
Join Date: Mar 2009
Posts: 24,024
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What model year is the CRV and is it the Factory battery?
I started having battery problems with my Towed about a month after I got it (used) and a new battery really fixed it.. Likewise my house batteries,, The AGM's I got in 2006 lasted 5 years, the Maintenance free I'd had for years before those, a bit longer and the 8.5 year old GC-2's. just died.
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Home is where I park it!
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12-28-2013, 04:49 PM
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#3
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Member
Monaco Owners Club
Join Date: May 2008
Location: Northwest Pa.
Posts: 97
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DEAD Battery
I would check with CW to make sure they ran a charging wiring from your MH to your CRV when they installed your Invisibrake. It sound like they all they did was wire up the brakes which draw off the CRV battery in addition to the draw you already have from leaving your key in accessory mode. The motorhome's charging system will then keep the CRV's battery fully charged. They will use one of the extra wires in your light cord for charging but make sure they protect it with a circuit breaker. We have not had a battery problem on our CRV sense we added that wire. Good Luck
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2004 Holiday Rambler Imperial PST
2005 BT Cruiser 5230
2014 Honda CRV
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12-29-2013, 08:00 PM
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#4
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Junior Member
Thor Owners Club
Join Date: Aug 2012
Posts: 26
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Thanks
Thanks for the suggestions. While discussing this issue with DW she asked if it had anything to do with the MH headlights. Sometimes I run with them on, sometimes off. I'll bet the charge line is wired to a tail light and will work if the MH lights are on. I'll try that when we move in a few days and if the problem continues, it'll be back to CW. Should be in a CW city next week.
Thanks, again.
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John, Mary and 2 felines (Dori and Dulci)
2012 Thor ACE 29.2
2009 Honda CR-V with Blue Ox Tow-bar and Invisibrake
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12-29-2013, 10:38 PM
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#5
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Senior Member
Newmar Owners Club Freightliner Owners Club
Join Date: May 2012
Location: Today? Clayton, North Carolina
Posts: 5,093
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Quote:
Originally Posted by Thor O Good
Thanks for the suggestions. While discussing this issue with DW she asked if it had anything to do with the MH headlights. Sometimes I run with them on, sometimes off. I'll bet the charge line is wired to a tail light and will work if the MH lights are on. I'll try that when we move in a few days and if the problem continues, it'll be back to CW. Should be in a CW city next week.
Thanks, again.
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A charge line shouldn't come off the taillight, might leave the system open to capacity issues. Should come right off the coach battery, with fuse.
I've towed an '04 Element for a year and a half (10K miles), with a charge line, and not once had any battery problem.
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John and Diane (RIP Lincoln, 21 FEB 22) RVM103 NHSO
Fulltimers since June, 2012
2002 Dutch Star 40, Freightliner, Cat 3126, 2004 Element
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12-30-2013, 08:36 PM
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#6
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Senior Member
National RV Owners Club
Join Date: Jun 2010
Posts: 4,581
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I had added a charge line but on my last trip it started blowing a fuse I had installed inline. So for this trip I added a battery disconnect and that seems to work but I (or actually my wife) has to reenter the radio security code and set the dash clock after a trip. She only does that if we will be in a place a few days. Doesn't seem like much of a problem at this point in time.
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Bob & Sandi, dogs Tasha a Frenchie and Tiki a Skipperkey
SW OREGON 2005 34 foot DolphinLX
If towing: a bright red 2016 Mini Cooper on a tow dolly.
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12-30-2013, 08:45 PM
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#7
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Senior Member
Join Date: May 2011
Posts: 325
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I ran a Toad Charge from my MH to my 2013 CRV. I use an RVI2 brake. No more dead battery.
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12-31-2013, 09:03 AM
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#8
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Senior Member
Country Coach Owners Club
Join Date: Dec 2010
Posts: 7,736
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I have the Invisibrake installed. There should be a charge line hooked up to your lights. To charge, you have to have your coach lights on.
I can tow all day without the coach lights on and my battery will not be run down. You might have another problem. I would start with a proper charge line with the coach lights on and go from there.
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01-01-2014, 07:33 AM
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#9
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Senior Member
Damon Owners Club Workhorse Chassis Owner
Join Date: Mar 2009
Posts: 24,024
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I must have answered this elsewhere.
HOW OLD is that battery in the CRV? I mean it may just be old age.
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Home is where I park it!
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01-01-2014, 07:44 AM
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#10
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Senior Member
Join Date: Jun 2011
Location: FL
Posts: 11,386
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I too suggest replacing the toad battery if it is a couple of years old. And yes your lights must be on for it to charge the toad. It steals a bit from the running light circuit. However, I have had dead battery issues due to my Edge being power hungry. I connected my own charge line so more current is available. The Invisibrake claims 2 amps charging but I have not actually measured it and suspect that might be "optimal".
To see if your charge line is working, put a voltmeter across the toad battery and start the RV running with lights on. If the voltage goes up a bit it is charging. However not at a very high rate due to design.
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Certified Senior Electronic Technician, Telecommunications Engineer, Telecommunications repair Service Center Owner, Original owner HR 2008
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01-31-2014, 07:53 PM
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#11
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Senior Member
Alpine Owners Club
Join Date: Apr 2007
Location: Concrete, WA
Posts: 842
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The invisibrake literature suggests that the running lights on the MH need to be on for the battery charge to work.
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Janet and Todd Legg
2018 Tiffin Allegro Bus 40SP
Previous RV-2006 Alpine Apex M-40FDQS
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