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General Discussion / Re: upgrading to lithium batteries and dealing with charging from the alternator

« on: December 08, 2023, 10:00:34 pm »

Thank you CalCruiser for your diagram.  I would loved to know what program you used to make the diagram as I am currently trying do do one the hard way by hand.

Thank you Mike for your input.  I went back to my RV to try and trace where some more of the wires went and this is what I came up with.

from the 3 small wires that came from the one small post, one of the red wires went up and through the firewall into the area under the drivers side console area and I could not figure where it went after it came out from the fire wall.  the other small red wire from the same post, went to a group of wires which went into a socket that plugged into another socket and that group of wires went up and ran along a channel at the firewall, but I am not sure were it went from there.  What I found interesting was the other wires that came out of where the red wire went into went for about three inches, was all taped up and was a dead end (was not attached to anything).  I will try and post some pictures of that.  The one black wire that came from the same post as the two red wires wrapped around and up through the firewall and out to under the console area where it looks like it is attached to the White momentary switch.  Now from the fuse/breaker, the black wire that comes off the post goes up to the firewall same place the other black wire went comes out the other side and is connected to the other end of the momentary switch.  Finally the red wire coming off the fuse/breaker goes up to and through the firewall together with the other wires mentioned and out the other side.  I was unable to determine where this wire goes.  Looks like it went under the carpet on the drivers side.

So if there is anyone that can help complete where all these wires go, I would greatly appreciate it as I can then complete my diagram and have a better understanding of how all this works and how the installation of my DC to DC charger will affect this system.

Thanks again for the inputs.

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General Discussion / upgrading to lithium batteries and dealing with charging from the alternator

« on: December 07, 2023, 09:41:37 am »

I am upgrading my RV which is a 2009 2551 to 2 100ah Lithium batteries connected in parallel.  I have a Xantrex Freedom XC 2000 inverter/charger that can charge lithium and I have a Go Power solar PWM controller with a 170watt panel that will also work with Lithium. Currently when I am running my engine, my inverter/charger will show that the alternator is charging the house batteries.
I have ordered a Victron DC-to-DC 12/12/-30amp charger for the conversion as I had heard about concerns regarding the alternator charging lithium batteries especially if the battery charge level is extremely low.  In any case I bought the charger.  My question is when I install the charger, how do I handle the current charging system so that it is only charging through the new DC To DC charger setup when the engine is running?  I heard about the solenoid in the engine compartment under the coolant overflow container and have taken photos.  The problem is, I do not know where the wires are going except for one that goes to the chassis battery.  The other wires I have now idea where they go and what one or ones I need to disconnect if any after I install the new system.  Like I mentioned I know that one of the two larger gauge red wires go to the chassis battery and the other looks like it is connecting to a fuse and two other wires on the fuse.  There are then two smaller posts at the base.  One of the smaller posts has a black wire that I think may go to ground and on the other post are three wires.  Two red wires and one that looks like a black wire.  I have no idea where they go or their use.  Maybe one red wire that looks like it goes through the firewall is for the white switch under the dash on the driver’s side used in case you need to jump your chassis battery using your house battery?  The other red wire and Black wire I have no clue.
I am hoping someone can explain how that solenoid works along with how it is wired up (a diagram would be great), and when I have installed the DC-to-DC charger, what do I need to do if anything with regards to the solenoid?
I am concerned about both systems trying to charge the batteries.
Any input would be greatly appreciated.

I have never posted before, so I hope this goes through okay.

Thanks for any help,
Proud Phoenix Cruiser owner of a 2009 2551

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General Discussion / Re: FlexArmor Roof Coating

« on: July 08, 2022, 02:21:52 am »

I believe in preventive maintenance as well, rather then fixing after a leak is found and damage has occurred.  If I was able to  afford the FlexArmor Roof Coating, I probably would have done it, especially with a lifetime warranty.  Unfortunately I had just spent $5,000.00 to have the front cap repainted and just started to notice some fibers showing on the roof.  After doing some research I found the Dicor product for Fiberglass RV roofs and a place that could professionally put it on at a price I could afford.  It looks good, but time will tell.  It most likely is not as high quality as the Flexarmor Roof Coating, but so far has done the job.  I have also upgraded to a covered storage unit at a greater expense, but well worth it.  My Phoenix Cruiser is a 2009 and I have owned it since 2018.  Not only have I had the roof re-coated,  but I personally get on the roof and check seals often and add sealant as necessary.  I am proud to be an owner of a Phoenix Cruiser and as my wife will agree, I probably spend too much time working on it to make improvements here and there, as I do believe in being proactive rather than reactive.     

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General Discussion / Re: FlexArmor Roof Coating

« on: July 04, 2022, 03:15:43 am »

I just had my roof done With Dicor product for fiberglass roofs.  Cost me $1,400.00 to have them put on three coats.  Looks great.  I did not have any leaks, but I was starting to see the fiberglass fibers.  I live in Arizona where the sun take a toll on everything.  I was going to do it myself, but then thought I better have it professionally done.  I think for the price it was a good deal.

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General Discussion / Roof Sealant

« on: August 25, 2021, 01:07:42 am »

Has anyone used Dicor Fiberglass RV Roof Coating on their roof?  If not are there any other recommendations?