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 > Your search for posts made by 'theoldwizard1' found 408 matches.

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RE: DC to DC charger

Telecom jars is his nifty lingo for telecommunications backup batteries. These are basically, individual lead-acid cells. Very early telephone systems ran on DC. The voltage to ring the bell somewhere between 50-100V and it was switched (mechanically) on and off. The old versions of these batteries were HUGE! Think of a double stack full size washer and dryer. This was one cell, 2.2V ! The term "jar" refers to case/housing that contains liquid acid and the lead plates.
theoldwizard1 11/30/22 06:20am Truck Campers
RE: DC to DC charger

That is not true on newer GM HD trucks, my 2019 Chevy 2500HD sits above 14 volts, when changing my batteries it will ramp up to just above 15 volts @ 50amps. According to the above statement I should have a smart alternator, but I have yet to see this mysterious lowering of voltage a few people on here keep stating. Check the voltage at the starting battery immediately after starting and at the house battery. Drive for 10-15 minutes and, with the engine still running, check those voltages again.
theoldwizard1 11/28/22 04:48pm Truck Campers
RE: DC to DC charger

I just use a pair of 8 gauge wires from the truck battery to the camper batteries. That eliminates the voltage drop of the 7 pin and puts a nice charge into the camper batteries whenever I drive. It has been proven 100s of times, that with modern vehicles, large gauge wires will NOT give you a 100% charge on your auxillary battery bank. Some charge, yes. Just not 100%. That makes no sense at all. The alternator doesn't know how many batteries are connected to it. It senses voltage. Batteries that are connected equalize over time. Yes, batteries will equalize or time. How many hours are you willing to wait ? For heavily discharged house batteries, it could be more than 10 hours ! Why ? Because the alternator and internal voltage "regulator" no longer determine the actual voltage output !. In an effort to save fuel the engine computer goes through calculations that MINIMIZE the voltage put out by the alternator. Don't believe me. Start your vehicle and immediately check the voltage at the battery. Drive for 10-15 minutes and, with the engine running, check the voltage again. It will be close to 13.2V, just enough to prevent a battery from discharging. Not high enough to recharge a house battery.
theoldwizard1 11/28/22 04:43pm Truck Campers
RE: Lithium batteries

Good chance your 200 amp battery is two 100 or 4 50s in the same box. 12V lithium batteries are typically made up of 4 3.4V cells (lead acid are made of 6 2.2V cells). Larger capacity, in both cases, means larger cells.
theoldwizard1 11/28/22 01:38pm Tech Issues
RE: Laminated Fiberglass Walls

some manufacturers have started using 1/4 lauan plywood that is treated to not degenerate when it gets wet. Example forest river calls it Azdel they use on both inside and outside walls. Azdel contains NO wood or other organic compounds ! It will not rot !! Delamination is when the outer skin pulls away from the sheathing underneath. This a failure of the adhesive and is almost always caused by moisture.
theoldwizard1 11/27/22 03:44pm Truck Campers
RE: Lithium batteries

The "safe" answer is no !
theoldwizard1 11/27/22 02:59pm Tech Issues
RE: Securing generator while running

Kryptonite bicycle cable lock
theoldwizard1 11/27/22 02:56pm Tech Issues
RE: Laminated Fiberglass Walls

Have they solved the problem of laminated wall campers coming apart like a cheap watch at the slightest hint of moisture? Proper maintenance prevents water intrusion. Any time I've seen a laminated wall delaminate, it's because it leaked. It leaked because the owner neglected it (translation: didn't do roof inspections / reseal when needed) Absolutely 100% correct ! I just wanted to re-emphasize it !!
theoldwizard1 11/26/22 12:55pm Truck Campers
RE: Towing Grand Cherokee with Gas Ford V10

Biggest issues with towing ANYTHING are engine coolant temperature and transmission fluid temperature. You need to monitor both.
theoldwizard1 11/26/22 12:53pm Dinghy Towing
RE: Goodnight Irene, the party's over.

Build quality is in the toilet. Hopefully these latest units will be a little better. Quality control and RV should not be mentioned in the same sentence. Truth !
theoldwizard1 11/26/22 12:49pm General RVing Issues
RE: Ford V10

Haste, Look at things carefully, I would suspect the throttle position sensor. It is on the side of the throttle body and they have been know to fail. It has been a LONG TIME since I looked at one, but IIRC, on electronic throttle bodies there are 2 sensors (or a dual sensor). One for the microprocessor that runs the throttle motor and one for the ECM.
theoldwizard1 11/26/22 12:47pm Class A Motorhomes
RE: Ford V10

There is also an IAC valve (air idle control valve) that sometimes sticks that can be cleaned also. Nope ! IAC went away when electronic throttle control came in. Also eliminated the cruise control actuator. Eliminating those 2 components, plus better fuel economy and emission controls justified the cost.
theoldwizard1 11/26/22 12:43pm Class A Motorhomes
RE: Ford recall issues

Don’t all mfgs have recalls and still have parts availability issues? YES ! What I don't understand is why they change a part to save a penny when the old part had been performing the job for many years ! How many years have they been putting windshield wipers on cars ? Someone probably got a promotion for getting a new "low cost" supplier !
theoldwizard1 11/26/22 12:33pm Tow Vehicles
RE: DC to DC charger

I mounted my Victron Orion in the camper as shown here I already did a cable upgrade between the truck can camper back in 2015. Here's that project Of course, you now know that wiring upgrade is not required when you get a new truck !
theoldwizard1 11/26/22 12:23pm Truck Campers
RE: DC to DC charger

I just use a pair of 8 gauge wires from the truck battery to the camper batteries. That eliminates the voltage drop of the 7 pin and puts a nice charge into the camper batteries whenever I drive. It has been proven 100s of times, that with modern vehicles, large gauge wires will NOT give you a 100% charge on your auxillary battery bank. Some charge, yes. Just not 100%.
theoldwizard1 11/26/22 12:20pm Truck Campers
RE: Can I charge the house battery with the engine alternator?

The two voltmeters on the dash read just about the same whenever the engine is running (if the solenoid has been activated and if it's contacts aren't too corroded). Curious. What kind of numbers do you see when driving ?
theoldwizard1 11/26/22 12:14pm Class C Motorhomes
RE: Can I charge the house battery with the engine alternator?

Just added 2 digital volt meters to my dash. I can now see the house battery and car battery voltage levels with the engine off. When driving I can determine if I need to charge the house and monitor the alternator. Life is good Some of those cheap volt meters are very poor quality. They can be off by a couple of tenths of a volt.
theoldwizard1 11/26/22 12:10pm Class C Motorhomes
RE: Two inverters for 50 amp service

I read the original post and skipped everything else ! Will it work ? QUALIFIED YES ! Can You Power a 240 Volt Panel With Two 120 Volt Generators? I have not seen any RV that has 240V appliances and those clearly will NOT work !
theoldwizard1 11/16/22 07:13pm Tech Issues
RE: Solar charger for 4 6v golf cart batteries LONG TERM?

Assuming the OP shuts off the electrical loads when he leaves, keeping the batteries up while he's gone is pretty much a non-issue. Even if the output is down by 90% due to overcast/snow cover, it should be fine. The batteries will hold a reasonable charge by themselves for several weeks assuming there is absolutely no load (I would disconnect the batteries when I left). A couple of hours on a generator and charger would bring them up to snuff ! I would not want to leave them for more than 1-2 months.
theoldwizard1 11/14/22 04:50pm Tech Issues
RE: UP with hookups

There are a lot of State Forest Campgrounds, but they typically have NO HOOKUPS !
theoldwizard1 11/13/22 07:29pm RV Parks, Campgrounds and Attractions
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