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Author Topic: Dingy battery dead.  (Read 473 times)

billnapoleon

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Dingy battery dead.
« on: January 28, 2018, 12:22:29 PM »
I have an InvisiBrake system installed on my 2015 Jeep Wrangler. I have a Manual battery disconnect on the Wrangler. For 3 years the system worked flawlessly with my 2013 Winnebago Vista F53.
We recent traded the Vista for a 2012 Tiffin Allegro RED. On our recent trip from Northern California to Florida, the last few 5-7 hour day drives have drained the Dingy battery to where I have to use my jumper box to start the Jeep. I drive with the headlights or parking lights on to trickle charge the dingy battery as recommended. The only thing I see different between the gasser and the diesel is that whenever the exhaust brake engages
The InvisiBrake brakes the dingy brakes. This actuated the InvisiBrake much more often in some situations. This did not happen on the F53 gasses when the tow/haul transmission brakin engaged.
Any ideas, is the lower rpm diesel not putting out enough charging to the dingy? Tomorrow I am getting a new battery for the Jeep, maybe it's just getting old.

yolo

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Re: Dingy battery dead.
« Reply #1 on: January 28, 2018, 12:57:54 PM »
Run a charge line from the 7 pin connector on the RV to the toad's battery.
or

Have the ECI on the engine reprogrammed to not turn on the stop lights when engine brake is engaged.
Bill Bell -- SW Florida
Sailboat -> Powerboat -> Motorhome -> Rest Home -> Funeral Home
Presently between Motorhome and Rest Home

BRex

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Re: Dingy battery dead.
« Reply #2 on: January 28, 2018, 01:57:59 PM »

Dinghy

'97 Country Coach Intrigue

Kevin Means

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Re: Dingy battery dead.
« Reply #3 on: January 28, 2018, 04:17:54 PM »
Or simply install one of these. https://rvibrake.com/pages/towed-battery-charger-faq We have one under the hood of each of our towed vehicles. Simple to install, pretty cheap ($50 IIRC) and very reliable. No more dead batteries.

Kev
2011 Winnebago Tour 42QD
Towing a Jeep Rubicon Unlimited LJ
RVI Brake 2, Minder TM-66 TPMS, 960 watts of solar
(Can't wait to spend more time RVing)
Lakeside, California

Gary RV_Wizard

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Re: Dingy battery dead.
« Reply #4 on: January 29, 2018, 10:31:08 AM »
At a guess, the new coach either doesn't have the +12v pin on the plug wired in or it is not working, so charging of the dinghy battery from the coach isn't happening. However, it could be just old tired dinghy battery.  Check the +12v pin on the tow connector to find out if it has power.

Quote
I drive with the headlights or parking lights on to trickle charge the dingy battery as recommended.

I've not ever heard of running with lights on to help with charging, nor can I imagine why it would be necessary.  May I ask whose recommendation that is?
Gary
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Gary Brinck
Summers: Black Mountain, NC
Home: Ocala National Forest, FL

WILDEBILL308

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Re: Dingy battery dead.
« Reply #5 on: January 29, 2018, 10:40:00 AM »
Like Gary I am curious who told you that.
Bill
2003 Bounder 38N
300 HP 5.9 Cummins
Allison 3000MH Trans.
Towing 2014 Honda CRV
Home base Fort Worth, Texas
A man who carries a cat by the tail learns something he can learn in no other way.
-Mark Twain-

8Muddypaws

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Re: Dingy battery dead.
« Reply #6 on: January 29, 2018, 11:04:31 AM »
If your exhaust brake is actuating your towed brakes you might want to reduce the sensitivity of the invisibrake.  Should be easy to do depending upon where you mounted the box.

Retired computer professional
Musician, songwriter and music director
2006 Bounder 34H, 2008 CR-V Toad

Mile High

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Re: Dingy battery dead.
« Reply #7 on: January 29, 2018, 04:20:33 PM »
Or simply install one of these. https://rvibrake.com/pages/towed-battery-charger-faq We have one under the hood of each of our towed vehicles. Simple to install, pretty cheap ($50 IIRC) and very reliable. No more dead batteries.

Kev
That's what I have.  Like Kevin said, easy to install and compensates for extended time running the compressor on the RVi2 auxiliary brake we have.

On the park light thing - I would supposed technically that if the toad lights are fed by t-tapping into the toad running lights and turn signals, then turning on the running lights would back-feed into the toad battery.  There is nothing to stop it really (no diodes, etc), but you have to be careful with the vehicle computers allowing any MH current to backfeed into the toad.  All of my toad lights are powered from the MH, but isolated from the toad via diodes that won't let power feed back through.
Brad and Dory
2013 Winnebago Itasca Meridian 42E (new to us 2016)
2013 Jeep Wrangler Unlimited Sahara
FMCA 457993 / WIT W170238

John From Detroit

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Re: Dingy battery dead.
« Reply #8 on: January 30, 2018, 07:52:59 AM »
Like Gary I am curious who told you that.
Bill

I have heard of it... The INVISI-Brake or is it "invisible brake" system. this is how it keeps the battery up. Far as I know this is teh ONLY system that takes charge current frm the tail light circuit.. Since this circuit is both fused and limited. I for one do not trust it.

Since the system is "invisible" I am assuming the person who posted of leaving headlinghs on forgot it.. one of the things I like abut that system is "INSTALL and Forget" but as I said I do not trust the "Tail light charge" method.
Nothing adds excitement like something that is none of your business
My Home is where I park it.

Gary RV_Wizard

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Re: Dingy battery dead.
« Reply #9 on: January 30, 2018, 09:12:54 AM »
Quote
Far as I know this is teh ONLY system that takes charge current frm the tail light circuit..

I'm somwhat skeptical of that too.  The Invisibrake wiring diagram shows that power for the brake unit comes from the 12v battery on the toad (dinghy). It also has a connection to the motorhome stop/tail/turn lighting, but that appears to be mostly for control purposes and to energize the toad's own stop/tail/turn lights.  However, the Invisibrake manual does say that it provides a "trickle charge" from the light circuit. From the Operator manual:

   
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Turn the motorhome park lights on - this will activate the InvisiBrake charge circuit, which will provide a constant trickle charge to the vehicle’s battery during towing.

In any case, since the OP changed coaches, his Invisibrake is plugged into a different system and the first step is to verify whether the wiring was changed over properly. For example, if the new coach has separate stop and turn signals while the previous one had integrated stop/turn, the wiring to the toad may need some revision.
« Last Edit: January 30, 2018, 09:21:46 AM by Gary RV_Wizard »
Gary
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Gary Brinck
Summers: Black Mountain, NC
Home: Ocala National Forest, FL

billwild

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Re: Dingy battery dead.
« Reply #10 on: January 30, 2018, 11:39:22 AM »
I installed a device called a Toad Charge. It is actually a battery maintainer, and it works really well. No more dead batteries. And not too expensive either. Look it up.

Bill

 

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