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31  Main Forum / General Discussion / Re: Battery Cut off Switch on: December 21, 2013, 07:41:15 pm
This is for my 2010 2551, the relay and converter are located differently in some other models, but the schematic is probably the same.  The battery disconnect relay is located under the passenger side bed next to the converter/charger, the disconnect switch and light are located next to the entry door.

The disconnect relay is a latching relay that mechanically latches in the closed or open position after receiving the corresponding 12V signal from the battery disconnect switch.  The disconnect switch is a two way momentary contact switch that momentarily sends the signal to the relay for both the "USE" and "STORE" positions.  Being momentary means that the switch does not stay in either position, just returns to center when released.  The "STORE" position is the disconnected or open position for the relay.  You can see in the schematic that even with the relay in the disconnected open position that the light at the doorway switch will be powered and stay on if the converter is plugged into shore power and thereby providing power to the 12V circuits.  When not plugged into shore power the switch light will go off in the store position.

32  Main Forum / General Discussion / Re: MICHELIN TIRE RECALL on: December 19, 2013, 04:28:16 pm
My 2010 PC tires are not in the recall, but I will need to replace them in a couple of years.  I am curious if any of you who are now replacing tires are doing anything different with the valve extensions on the rear duallys.

I have had no problems with the braided flexible extensions, but have heard some say that they are prone to leak.  The recommendation is to replace with the one piece long stems that are shaped to extend out for access, no extensions.

One example:

The one piece long stems cost about $150 for the four rear wheels and require some expertise to install.  I am happy with the flexible extensions installed by PC, just wondering if anyone is changing to the solid stems and how it went.

Thanks, Bob A
33  Main Forum / General Discussion / Re: MICHELIN TIRE RECALL on: December 16, 2013, 12:14:27 pm
More info:
34  Main Forum / General Discussion / Re: MICHELIN TIRE RECALL on: December 15, 2013, 11:16:16 am
Here is the link
35  Main Forum / General Discussion / Re: Tow a Grand Cherokee with a PC 2350 (Ford)? on: December 09, 2013, 02:08:56 pm
Great Pictures Bob. Looks like fun. Not much like that here on the east coast. Like you say, it all depends on what you want to use your Jeep for. That is why they make some many different models. We have both my Grand Cherokee and my wife's Liberty for different reasons. She has started looking at the New 2014 Cherokee and I must say it is some Jeep. I have looked at the Utube on how it performs, even for your kind of off roading. It "might" even be better at it than the wrangler.  LOL  I just said that because I know how my buddy reacts when I tell him things like that about his baby.

I know where your buddy is coming from.  When I get into discussions with other Jeepers about what mods they have made and how capable our Jeeps are, I have to be careful not to get caught up in the chest pounding.  As you said, there are a lot of models of Jeeps and degrees of aftermarket modifications available, just depend on what you want to do with it.  My Jeep is a good compromise for our needs regarding street driveability and trail capability.  For me, the Jeep project is a fun hobby, sometimes I have to tell my wife that the next mod is not because we need it, I just want it.   Wink
36  Main Forum / General Discussion / Re: Tow a Grand Cherokee with a PC 2350 (Ford)? on: December 07, 2013, 03:19:20 pm
I agree, a Jeep Wrangler is certainly not for everyone; however, we have a 2003, bought new and towed about 40,000 miles - 25,000 behind the PC.  We live in the Sierra Nevada in northern California and have access to great off road trails.  I have a car lift in my garage and have modified the Jeep for better off road use (an ongoing project), but not too extreme so that it still tows great and drives the highways reasonably comfortably - a compromise.  We go to Moab a lot and do some great off road trips in that area as well as search out 4x4 trails wherever we go.  That is part of the fun of RVing for us, and we are 66 years old.

Having said that, the Wrangler is not the most comfortable for normal highway use and the backseat is really for kids only.  We don't even have the back seat in when we travel, more room for gear and we take a lot of recovery gear with us when we take off on the 4x4 trails by ourselves.  No, we can't take another couple with us, but we don't travel with anyone else and we prefer to do our own thing.  We put the backseat in when the grandkids visit at home, they love going "Jeepin" in the Sierra Nevada.

So, for us the Wrangler is the best option, comfortable enough for us on the highway and easy to get around town, but still lets us explore the back country and very easy to tow.


Imogene Pass between Ouray and Telluride, CO.

White Rim Trail, Canyonlands Nat'l Park

37  Main Forum / Tips and Tricks / Re: 12 Volt Charging Station on: December 07, 2013, 01:35:13 am
I have made this mistake more than once.  Check your TV setting for signal source  cable/antenna.


Good point Barry, I also have forgot to change the TV input source on occasion and been frustrated until my wife reminds me!

38  Main Forum / Tips and Tricks / Re: 12 Volt Charging Station on: November 18, 2013, 11:19:51 pm
1) The 12v is in a wall plate with what looks like a coaxial cable screwed/plugged onto the top half. If that cable is the TV booster, then yes, it's on the same plate (someday I'll figure out what a TV booster is).

I will try to explain the TV antenna booster because if you don't use it properly you may not get cable or over the air TV reception.  Many times I have been frustrated with the TV reception only to discover that I did not have the booster properly turned on or off.

There are three coax connections on the back of the wall plate, one from the roof antenna, one from the cable input connection on the outside of the RV, one to the rear TV.  The coax connection on the front of the wall plate goes to the front TV.  When you are using the roof antenna, you have to turn the booster on by pressing the button on the wall plate so that the LED light is on.  If you are using cable at an RV park attached to the outside connection on the RV, you have to turn the booster off by pressing the button so that the LED light is off.

The booster uses 12v and the power outlet is added as a bonus, it is also is a signal splitter and multi-input source switch - does a lot for a little wall plate.


39  Main Forum / General Discussion / Re: At long last - Our PC arrives! on: November 18, 2013, 02:29:48 pm

I replaced the OSB bed boards with plywood that was smooth (plugged and sanded) on one side.  I made it 1.5" wider to better support the mattress which hangs over about 2".  I sanded the edge smooth and then coated the plywood with polyurethane.  No more splinters when making the bed (according to my wife) and feels better when sitting on the edge of the mattress.

40  Main Forum / General Discussion / Re: Sanitizing 2552 Water System on: November 18, 2013, 12:50:33 pm

They way you plan to use and maintain the power and water systems on you PC are exactly what we have been doing for the past 3 1/2 years and 25,000 miles; it has worked great for us.

Now go do it and have fun.

41  Main Forum / General Discussion / Re: Drive line vibration diagnosis on: November 15, 2013, 10:49:55 am

Great news, now you can enjoy the ride and think about something else.  Good that you gave kudos to the shop for getting it fixed, they went the extra mile to do it by acquiring more equipment for the long drive shaft.  Sounds like 2 Frazzled is heading there, waiting to hear his experience.

42  Main Forum / General Discussion / Re: Noisy converter? on: November 14, 2013, 04:52:22 pm
There are a few things that use inverted power 24/7 unless you go out of your way to disable or unplug them.  They are your GFI outlet in the bathroom, your TV and possibly your head unit with CD/DVD player.  They just might be the reason why the inverter is blowing it's cooling fan for what appears to be randomly.  That is why many of us turn on the inverter only when 110V is needed, otherwise utilizing 12v system features.

Yes, the inverter fan might run more often when the inverter is working to create 110v from the 12v batteries for the items you describe.  However, the issue here is that the inverter fan goes often even when plugged into shore power and the inverter is turned off not and not creating 110v.  In that mode, there is a relay in the inverter that is powered by the 110v to allow 110v shore power to pass through the relay contacts to the circuits.  The inverter is off and doing no work to create 110v, but the relay gets warm and the fan comes on to keep it cool.  Even if all the circuits fed by the inverter were disabled and no 110v current was passing through the relay contacts, the fan would continue to cycle to keep the relay cool due to the heat created by the relay coil itself.  When 110v is not present, the relay switches off to a condition to allow the 110v created by the inverter to flow to the circuits if the inverter is turned on.
43  Main Forum / General Discussion / Re: Winter travel and overnighting iin low 20 degree weather on: November 14, 2013, 12:46:37 am
I am not too comfortable with cat heaters in a confined space - hope they are in fact ceramic heaters.  Other than that pretty much what Bob said.

Good point, have to leave a window open with the cat heaters. 
44  Main Forum / General Discussion / Re: Winter travel and overnighting iin low 20 degree weather on: November 13, 2013, 09:03:54 pm
Not wanting to run the generator at night and limited to 20 amp shore power, I would do the following:

Use the 110v 20 amps to run the catalytic heaters, check the amp draw, you may be able to only run one at a time.

Run the water heater on propane.

Put antifreeze in the holding tanks, the tank heaters may draw too much current.  Or, disconnect the batteries via the store switch and run the tank heaters.  Then the converter will not try to recharge them and not draw any current, then recharge in the am with the catalytic heaters off or run the generator to recharge.

The rest of the plumbing is within the insulated walls and will be fine if you keep the catalytic heaters going.

Instead of the catalytic heaters, you could run the propane furnace as it doesn't use as much electricity as the catalytic.

45  Main Forum / General Discussion / Re: At long last - Our PC arrives! on: November 12, 2013, 07:41:39 pm
   This is what I have and have been using for several years now.

The 50 amp male plugs into the house or post and the PC provided 30 amp cable plugs into the female end. I have used it when I could not get 30 amp on the post and at home. My house was wired when I had a 50 amp class A motorhome. I am to cheap to pay to downside the set up.


You are right, I forgot about those adapters, I even have one.  The RV has a 30 amp main breaker that protects the 30 amp end of the adapter.  However, if there is a short before the main RV breaker, then the current can go to 50 amps before the pedestal breaker opens, potentially damaging the 30 amp connection of the adapter.

I edited my previous post to remove the statement that 50 amp to 30 amp cables are not available.

I use my adapter when there is only 50 amp provided or the 30 amp receptacle on the pedestal looks suspect - loose, cracked, or burned.  Interesting to note that they make the adapter so that one of the two hot 50 amp prongs is wired to the one hot 30 amp prong on the 30 amp end, so all the power is passing through one of the 50 amp pedestal breakers.

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