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 on: May 04, 2015, 08:10:06 pm 
Started by palmettorose - Last post by bobkbusch
I use the 12V Viair 400P-RV compressor.  Hooks up to the battery terminals.  Not cheap (and the price on Amazon is currently 30 percent higher than I paid a few months ago) but a great compressor, with great reviews.  Comes with a carrying case and some "RV" accessories.

I store it in my TOAD, a Jeep Cherokee Trailhawk, and use it when I offroad.  I "air down" for a softer ride, and the slightly bulging sidewalls help protect the wheels from rock damage, then back up when I'm off the trail. 

I also added the same compressor as a built-in on my PC, along with a 2 1/2 gallon tank that stores air for more volume.  I had it installed because I put airbags on my rear axle, but it also works great to inflate the RV tires.  It is installed under the floor and on the frame so it is completely out of the way. There is an air connection on the side, next to the battery tray, to hook up the hose for tire/toy inflation.  Not a cheap way to go, and I wouldn't have done it except for the airbags, but it works great!


If I did not have the airbags, I would just have the single Viair 400P-RV.

 on: May 04, 2015, 07:29:12 pm 
Started by palmettorose - Last post by Bob Mahon
I have the same unit as Ron and have used it 3 times. Twice on one of the rears and once on my TOAD. Admittedly, it takes a while but it will get to 75 PSI within 10 minutes. It does get a bit hot but has not let me down. Hint: If you go this way, DON'T use the cigarette lighter. It will blow the fuse and maybe melt the plug. I had to replace both the 1st time I used it on our 2010 2551.

 on: May 04, 2015, 05:01:06 pm 
Started by palmettorose - Last post by ron.dittmer
We bought THIS tire repair kit from Walmart years ago which includes a 12V compressor.  If you get a clean puncture, you can actually repair the tire on your PC with a plug, pump it up and get to a shop for a proper repair.  Admittedly we have not yet used the kit so I cannot say how any of it works including the compressor.  It is a small kit, very easy to store in a PC or tow vehicle.

 on: May 04, 2015, 03:48:26 pm 
Started by ron.dittmer - Last post by randallandchris
6 volt batteries have thicker plates than most/all 12 volts so not understanding the claim for equivalency.  You should get better deep cycle performance irrespective of AGM or flooded cell.

 on: May 04, 2015, 03:24:14 pm 
Started by palmettorose - Last post by Doneworking
Consider buying a small tankless 110volt compressor.  You can find them on Amazon and I bought mine a couple of years ago at Home Depot.  Mine is well made and has reasonable power and speed for a truck tire.   It was on sale for less than fifty bucks.  I always found that the 12 v were always slow, got very hot and had difficulty getting up to 75psi.   I carry a 25 foot 12 gauge extension cord regardless of consideration for the compressor.  I just start the genset, plug in the extension cord and use that for my drop to power the compressor.  My compressor is small, less than six inches high and about ten inches long, three or four inches thick.   In the original box it fits in the PC in the back storage where the power cord goes.  I just put it at the bottom next to the jack. 


 on: May 04, 2015, 02:36:39 pm 
Started by palmettorose - Last post by palmettorose
We are scheduled to pick up our new PC next week. I have been watching the PC forum for several weeks now and have picked up some very valuable information. One of the first things we need to get is a 12 volt air compressor. We always carried a 120 volt pancake compressor in the diesel pusher we recently sold. That compressor is too big to carry around in the PC. Any recommendations on a good 12 volt compressor?


 on: May 04, 2015, 10:48:20 am 
Started by ron.dittmer - Last post by ron.dittmer
You ask a good question Tom.

A few people are commenting that the Ford-V10 engine alternator is questionable because the AGMs require 14.4 volts for charging, but the alternator fluctuates between 13.5 & 14.5 volts.  I find it hard to believe that AGM batteries, whether 6V in series, or 12v in parallel, can't work.  If that is the case, then I would think AGM batteries would not work in most other vehicles either.

But Continue Reading.

HERE is a Ford document that supports their claim over the lack of energy.  I think the standard alternator back then was 115 amps, the document mentions a more powerful 135 amp alternator.  Given the document identifies the 2004-2006 model years, I wonder which alternator I have in my 2007 and wonder about newer model years as well.

I just called the 877 number on the Ford document and left a recorded question regarding which alternator I have.  I included my chassis VIN per their instruction.  I am supposed to hear back in two days.  Hopefully I will actually get to talk with someone so I can ask the question if the more powerful 135 amp alternator became a standard in the RV chassis made after 2006.  Maybe AGM batteries work properly only with the more powerful 135 amp alternator which is why everyone has conflicting experiences with AGM batteries.

It appears that if I have the lesser alternator and want to upgrade to the 135 amp alternator, there is some special ECM programming required as defined HERE.  It may be a dealer installed operation, more than simply swapping alternators.  I hope I already have the 135 amp alternator.

I will report back when I hear back from Ford.

 on: May 04, 2015, 10:05:03 am 
Started by Dale and Cindy - Last post by ragoodsp
I have used the portable Break Buddy set up on several toads with zero issues.  The new Cherokee has a very thick pedal shaft that the BB clamp will not fit over.  I contacted BB and they sent me and adapter that actually attaches to the pedal; I do not find it a good set up at all.  The leather seats in the Cherokee and the angle of the front portion of the seat does not lent itself to good contact with the BB and the BB has a tendency to slip/flop around a lot.  I would endorse 100% going with a unit that is under the seat or a set up that is far more secure compared to the BB portable unit.  That is only if you were going to use it on a new Jeep Cherokee, other nits may work great but be careful with slippery leather.   Thanks.

 on: May 04, 2015, 09:18:48 am 
Started by ron.dittmer - Last post by TomHanlon
Ron, what part does your truck's alternator play in charging the batteries while driving? Does it require a different alternator for the AGM battery or the golf cart battery?

 on: May 04, 2015, 07:38:13 am 
Started by ron.dittmer - Last post by ron.dittmer
I have this same topic posted in HERE of which a few people there are telling me that if I had bought two 12V AGM batteries,  I would have technically benefitted the same, and not have needed to change the battery tray.  They say when changing from 12V wet acid to 6V wet acid, that is where there is much to gain with battery performance.  But switching from 12V wet acid to 12V AGM will benefit the same, technically speaking.

It could be these two sources of information are "opinions" or they could be dead right.  I really don't know because this subject matter of floating and soaking voltages under hot and cold conditions is a bit confusing to me.  I just wanted to share this with you to be as thorough as possible.

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