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  #37  
Old 02-25-2013, 08:48 AM
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Re: 2013 GC QuadtracII - Recreational Towing

I think that there is a battery backup for the radio and memory settings according to my mechanic that will usually last 2-3 hours. According to the service manger of a jeep dealer there is no way to provide battery aux power for the memory preset backup battery. (see previous post on this thread) I do not know why you would need a charging line for a disconnected battery unless you are using a brake sys. that uses toad power. If you want real time info on the battery disconnect contact Hitching Post in Ocala Fl (google) and the young man who owns the shop is very good at what he does and has installed the disconnect several times and will help with questions. His dad is an RV guy. Perhaps the best way to go is to buy the 2014 as it specifically states you do not have to do any of the battery stuff and can remove the key. That is what I intend to do. Hope this helps. Chasedog
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  #38  
Old 02-25-2013, 09:50 AM
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Re: 2013 GC QuadtracII - Recreational Towing

I just got some fairly good news. I disconnected my 2013 JGC battery for 14 hours, and when I reconnected it all the settings were still there. Homelink, seat position, radio, EVIC. So if I add an automatic battery disconnect, I can follow the manual (right or wrong) with no mileage (?) while towing and no warranty issues if something goes wrong. Now I guess I won't have to go fight with the Jeep dealer today about returning it. Before I bought it, I asked to see the manual to make sure it was towable without hassle. They showed me the 2013 Jeep User's Handbook, which doesn't have the disconnect sequence. How could they know?

Now all I have to do is find a place for the disconnect relay. Thanks chasedog for the hint on Hitching Post. I recommend waiting for the 2014, as I wish I'd done.
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  #39  
Old 02-25-2013, 09:58 AM
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Re: 2013 GC QuadtracII - Recreational Towing

I think next I'm going to tow the 2013 Jeep with the ignition OFF and the battery connected and see what happens with the mileage. I'll let you know what happens.

Here's a question: if the battery is disconnected and there's no steering wheel lock, what difference does it make if the ignition is in any position? Sure wish Chrysler had tech support.
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Old 02-25-2013, 10:41 AM
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Re: 2013 GC QuadtracII - Recreational Towing

As you may have already read I did cancel my order for the summit with the adventure package and the dealer did return my deposit. He was unaware of the difference in the owners and the working manual. He thought the working manual was correct but was silent as to what would happen warranty wise when it came to not following the owners manual procedures. He also said that he would not install the disconnect if the owners manual was correct. I am supprised that the presets stayed after 21 hours but that is a good thing. (if the battery is disconnected and there's no steering wheel lock, what difference does it make if the ignition is in any position?) I asked the service manager the same question and he had no answer. I also could not get the answer to why the 2013 working and owners manual procedures for recreational towing were so different. It may well be that the person who wrote the manual did not know what he or she were talking about. I did call the factory and talked on the owners telephone line but never found anyone that could shed light on those questions. For now tek support for Jeep seems poor. I do like Jeeps and will still buy the 2014. I have not had a follow up to why I cancelled from either the dealer or the factory which tells me there is some confusion in the tek support group. Chasedog
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  #41  
Old 02-25-2013, 10:56 AM
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Re: 2013 GC QuadtracII - Recreational Towing

I plan on at least hassling the dealer over selling me what I wouldn't have bought if I'd known the manual he showed me was wrong. Except for this, we love the Jeep. This is my 4th Jeep and we've pulled each of them over 100K miles with no hassle. This is actually the best Jeep yet (battery disconnect notwithstanding).
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  #42  
Old 02-25-2013, 11:51 AM
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Re: 2013 GC QuadtracII - Recreational Towing

I called Hitching Post. They have something called Battery Brain Gold that mounts in the positive battery lead and disconnects it if you push a button or if the voltage gets below a certain value. $153. Looks a lot smaller than other approaches.

RV Supplies Online Store - Hitching Post of Ocala

(Look under RV supplies and search for battery brain)

I talked to Watson's Street Works, who has several battery disconnects. He recommended I get a manual disconnect from Napa. That's the cheapest solution. He also said he's been having problems with the solenoid approach. The Roadmaster disconnect appears to have voltage appied continuously when it's activated, causing heat. I'm going down to Napa to see what they have.
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  #43  
Old 02-25-2013, 01:00 PM
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Re: 2013 GC QuadtracII - Recreational Towing

The one I cancelled was red and I was looking forward to getting it. I too have had Jeeps since 1999 and have towed probably a 100K as well. Where will you put the manual disconnect? The manual one I saw is a knife switch that goes on the post. (is there room?) There is also a boat type of course but you will need lots of cable. Good luck and let us hope that it will be unneccesary. Again, I could not figure out why they had two different procedures.
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Old 02-25-2013, 02:48 PM
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Re: 2013 GC QuadtracII - Recreational Towing

Quote:
Originally Posted by kurtsimon View Post
I called Hitching Post. They have something called Battery Brain Gold that mounts in the positive battery lead and disconnects it if you push a button or if the voltage gets below a certain value. $153. Looks a lot smaller than other approaches.

RV Supplies Online Store - Hitching Post of Ocala

(Look under RV supplies and search for battery brain)

I talked to Watson's Street Works, who has several battery disconnects. He recommended I get a manual disconnect from Napa. That's the cheapest solution. He also said he's been having problems with the solenoid approach. The Roadmaster disconnect appears to have voltage appied continuously when it's activated, causing heat. I'm going down to Napa to see what they have.
I have been thinking about the disconnect switch and have some ideas.

The first question I have is why the step 17 requirement to disconnect the “negative” cable rather then the positive cable? I think the reason for this is that it is the same procedure you would use to physically disconnect the battery cables if you were changing out the battery. If you incorrectly attempted to remove the positive cable first and if for any reason your wrench went to ground while removing the positive cable you would create sparks which might be the ignition source for a battery explosion. Having experienced one of these explosions in my youth I can testify it’s scary and dangerous. I was lucky and not injured. So to avoid the risk of sparks the grounded battery cable is removed first.

But if a disconnect switch is used to disconnect the positive cable and the disconnect switch is located in the engine compartment in the vicinity of where the “jump the battery” positive post is located the following advantages will be gained each time the Toad is connected and unconnected.
  • The hassle of having to reposition the seat into the up position if it is in the stowed position and the junk that was stored on top of the seat.
  • The hassle of having to move the seat and possibly the junk in the seat well and the junk in the seat.
  • The hassle of having to move the floor mats and then the carpet to open and close the battery hatch each time the vehicle is towed and disconnected.
  • Makes it more convenient if you just needed power on the car for a minute or so between tows.
  • It is safer because no battery cable needs to be secured from drifting.
  • By mounting a disconnect switch that has a remote on/off capability then the engine hood does not have to be opened to turn the battery on or off.
  • No messing with the battery in stormy weather.
  • Less physical work which translates as a more enjoyable trip.

During the planning stage I would also check to be sure that nothing else is being powered prior to where the disconnect switch is being installed so that the disconnect switch does a complete battery disconnect as required by the manual. Steve
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  #45  
Old 02-25-2013, 07:54 PM
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Re: 2013 GC QuadtracII - Recreational Towing

My current plan: I'm going to have a Roadmaster 765 Automatic Battery Disconnect installed. It disconnects the toad battery when the motorhome lights are turned on, so it can be controlled from the motorhome. The longest I should have it disconnected then is probably 5 hours at a time, since we can reconnect when we stop by turning off the lights. I'm pretty sure based on my experiment that I won't lose settings. I'll never have to look under the passenger seat for the battery. I believe the Disconnect mounts in the battery box under the seat

I'm still not sure why the ignition switch has to be in RUN. If it does, I'll have to turn the key off when we stop. I'll run an experiment towing the Jeep with the switch in OFF and RUN to see what difference it makes. I do have a Brake Buddy wiring connection straight to the battery.

Thanks chasedog and SteveCG for the thoughts.
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Old 02-25-2013, 08:42 PM
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Re: 2013 GC QuadtracII - Recreational Towing

Quote:
Originally Posted by kurtsimon View Post
My current plan: I'm going to have a Roadmaster 765 Automatic Battery Disconnect installed. It disconnects the toad battery when the motorhome lights are turned on, so it can be controlled from the motorhome. The longest I should have it disconnected then is probably 5 hours at a time, since we can reconnect when we stop by turning off the lights. I'm pretty sure based on my experiment that I won't lose settings. I'll never have to look under the passenger seat for the battery. I believe the Disconnect mounts in the battery box under the seat

I'm still not sure why the ignition switch has to be in RUN. If it does, I'll have to turn the key off when we stop. I'll run an experiment towing the Jeep with the switch in OFF and RUN to see what difference it makes. I do have a Brake Buddy wiring connection straight to the battery.

Thanks chasedog and SteveCG for the thoughts.
Sounds like a good plan. And the 765 switch is RV designed. I noticed that Roadmaster has a vehicle compatibility list. Their 2012 list did not name the Jeep Grand Cherokee. I am wondering if this disconnect is compatible. It might have something to do with the “connect and forget” features. I’d be interested in knowing. Thanks, Steve
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  #47  
Old 02-26-2013, 06:36 AM
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Re: 2013 GC QuadtracII - Recreational Towing

I called Roadmaster. They said it should work on the 2013 Jeep. Installation on Friday. I'll let you know.

Kurt
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  #48  
Old 02-27-2013, 07:45 PM
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Re: 2013 GC QuadtracII - Recreational Towing

Today I hooked up my 2013 GC to my coach for the first time and took it for a test run.

I set the GC up following the procedure in the User Guide (not the Owners Manual.)

I did not disconnect the negative battery cable.

I turned the key off and removed it from the vehicle.

I towed the Jeep for 35 miles. None of the miles registered on the Jeep odometer or trip meters.

There were no apparent adverse effects.

I will continue set up and tow my GC in the manner described in the User Guide, until I get some further information from Jeep that the User Guide is incorrect.

Thank you to everyone who provided input on this issue.
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