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 > Your search for posts made by 'theoldwizard1' found 475 matches.

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RE: Low Battery Voltage

If you want to run the refrigerator on electric while driving, get a DC-DC batter charger. As most fridges need 325 watts, a 40 amp dc to DC unit would work--but that requires a larger alternator. Any truck with a trailer tow package will likely have an alternator capable of 200+A. Plenty to spare !
theoldwizard1 06/29/22 05:16pm Travel Trailers
RE: Honda EU3200i

Under 60 lbs ! 3200W starting, 2600W continuous. (That is over 21A continuous!) Still no TT30 outlet. Twist lock (L5-30)
theoldwizard1 06/29/22 05:03pm Tech Issues
RE: Low Battery Voltage

An RV battery or batteries drawn down to 6.3 volts is toast. You have an issue, yes, but buy new batteries when solved. So if a battery gets discharged to that point it is no longer usable, even if recharged? I had a battery that was dry, sitting in the garage zero charge in it. I filled with distilled water, trickle charged it for a few days and it went back in service with no issues. It may not be completely dead, but your RV battery will never have it's full capacity. I have run automotive batteries down to near zero (interior lights on) and after recharging they were able to start the car, but only because it had very short crank times and the charging system kept it at 100% while the engine was running. Time for a new RV battery. Two 6V golf cart batteries have more capacity than a 12V marine/RV battery and don't cost much more. If you want to run the refrigerator on electric while driving, get a DC-DC batter charger.
theoldwizard1 06/29/22 12:16pm Travel Trailers
RE: Renogy 20A dc to DC report

#8 might not be enough. I had to change my input neg path to use the frame (as a really fat wire) to get my voltage drop small enough to keep input voltage in the 13s. The whole point of a DC-DC charger is that it will accept low input voltage and still provide the correct output voltage.
theoldwizard1 06/29/22 06:01am Tech Issues
RE: Renogy 20A dc to DC report

Hi All, I'll be "feeding" the unit with #8 wire. I have a choice of powering from the alternator, or powering from the starter battery (which is of course charged by the alternator), but only with the ignition key turned on. Doing the battery route would eliminate surge on the alternator, so I'm leaning in that direction. You are OVERTHINKING ! #10 wire is more than enough (I always recommend pre-tinned marine wire - no corrosion). You want an input that turns off when the key is off. Don't worry about surges. The charger will prevent that.
theoldwizard1 06/29/22 05:59am Tech Issues
RE: Renogy 20A dc to DC report

Not very efficient. :( Wonder if it varies by voltage or amps. I am betting it does ! Comparing just amps is not fair. You have to look at power which is watts which is amps TIMES voltage.
theoldwizard1 06/28/22 07:54pm Tech Issues
RE: Converter voltage drop

Any QUALITY converter/charger will have a specific setting for LiFePO4. Use it ! Personally, I would just eliminate the converter and buy an inverter/charger/automatic transfer switch.
theoldwizard1 06/23/22 03:33pm Tech Issues
RE: What should I do if my EPDM roof turns black

Use something like Clorox CleanUp and a soft brush and see if the black comes off. If so it is mold. If not, UV has destroyed your roof. I would not trusted ANY kind of coating to last more than a year. Remove and replace. I'll bet there is rot underneath!
theoldwizard1 06/23/22 03:10pm Travel Trailers
RE: Is It Worth It?

IMHO, diesel does NOT make sense unless you Have a load that can't possibly be towed by a gasserDrive 50,000+ per year Preferably, both !
theoldwizard1 06/23/22 03:03pm Tow Vehicles
RE: What Upgrades needed for a 3/4 ton pickup

Remembering you can't change the manufacturer's payload limit or maximum rear axle limit, you could add airbags to level the tow vehicle and you could insure that the tires and wheels are rated for the weight anticipated. Wheel and tire rating are more important than the manufacturer payload rating. Knowing EXACTLY which rear axle and ratio you have installed is also very important. You will likely have to upgrade the radiator, transmission cooler and probably the rear axle ratio. Remember, older vehicles will likely need tires, brake, shocks and probably front end parts !
theoldwizard1 06/21/22 04:19pm Tow Vehicles
RE: 1995 Onan 7K NHM no output.

If you want to DIY, watch some of James Condon's videos on YouTube. It is not that difficult once you have access To the end opposite of the engine. You need a decent multimeter and patients. It could be bad brushes, dirty slip ring or a bad automatic voltage regulator.
theoldwizard1 06/18/22 07:45am Class A Motorhomes
RE: Bronco

Bronco engines have been blowing up as I've seen on the news. True, but how many compared to how many have been sold ? That is not a new engine. It has been used in other vehicles for several years.
theoldwizard1 06/17/22 03:20pm Dinghy Towing
RE: battery to inverter wiring

How many feet of 2/0 are we talking, 3', 6' (x2). Pay the money. There are places on eBay that will make up whatever you want with the proper ends.
theoldwizard1 06/17/22 03:17pm Tech Issues
RE: Harbor Freight Predator 3500

Stay on top of the service intervals. We've rescued a couple poorly running gens with a good cleaning of the crankcase and carb. They're really good, never mind the price difference between them and the blue blood units. Those clone engines use cheap spark plugs. Swap it out for a brand name like NGK. Carry a spare ! Cheap insurance.
theoldwizard1 06/17/22 06:07am Tech Issues
RE: Shopping for a used TT. Experiences and Opinions

Do NOT buy from a dealer.
theoldwizard1 06/15/22 07:45am Travel Trailers
RE: E vs. D rated trailer tires

Forget ST tires. Use LT tires. Many more brands and sizes to choose from. Letter and ply rating are "old school" and should not be trusted. Use the actual weight rating on the sidewall. It will also tell you the correct pressure. Correct pressure for what??? Correct pressure for the rated load.
theoldwizard1 06/14/22 07:30pm Tech Issues
RE: E vs. D rated trailer tires

Forget ST tires. Use LT tires. Many more brands and sizes to choose from. Letter and ply rating are "old school" and should not be trusted. Use the actual weight rating on the sidewall. It will also tell you the correct pressure.
theoldwizard1 06/14/22 05:15pm Tech Issues
RE: Moving from 5th Wheel to Sprinter based Class C

Max torque between 1400 and 2200 RPM, and max HP in the 3800RPM range. With a Ford V10, it's 4000RPMs plus, to get the maximum performance, with minimum fuel economy, Quieter, cool running, and efficient. The V10 has been out of production for several years now. Yes, there are a lot still on the road which proves their durability. Even Ford has tried to emulate the Sprinter with their Transit cab chassis and vans. The Transit has been in production in EU since 1965, long before the Sprinter which did not go into production until 1995.
theoldwizard1 06/14/22 06:10am Class C Motorhomes
RE: Alternative to 4wd

E-Lockers are a good choice. Not sure it is cost effective on a 20 year old vehicle.
theoldwizard1 06/13/22 04:56pm Tech Issues
RE: Moving from 5th Wheel to Sprinter based Class C

Spend some time researching various Class C chassis. Personally, I would shop for a small Class C on a Ford E350 chassis, especially it you plan on towing a vehicle.
theoldwizard1 06/13/22 04:53pm Class C Motorhomes
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