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 > Your search for posts made by 'wnjj' found 183 matches.

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RE: How 12v lights work?

Is the switch one with a light in it by chance? If it is, it wouldn’t hurt to pull the ground wire from it in case the short is within the switch itself. For that matter you can disconnect the output wire and then turn the switch on to confirm the fuse stays intact.
wnjj 05/03/21 02:11pm Travel Trailers
RE: Removing cigarette/cigar smoke residue, ozone machine?

Try setting out dishes of coffee grounds,. We had a forgotten boiled chicken bone on the stove that turned into the worst burnt smell everywhere throughout the house. We read that coffee grounds absorb smell so tried that. We also put a mesh bag full of activated carbon on the HVAC air intake. A couple days later all of the smell was gone.
wnjj 05/03/21 10:43am General RVing Issues
RE: How 12v lights work?

When plugged in to shore power, the converter applies a charging voltage to the battery. So the converter supplies the power to the 12V items, including the battery. They are all connected together. This means the 12V lights, etc. see a slightly higher voltage when on shore power.
wnjj 05/01/21 10:45am Travel Trailers
RE: Ford as a tow vehicle

My 2011 Tahoe was one of the early AFM engines and the only time I notice it is when I am driving between 29-35mph and the thing keeps switching all the time. While towing or at any other speed it is totally imperceptible. I agree. Something is wrong. The F150 will fix the Chevy problem. Just research the issues. Sometimes the Devil you know…. x2. Our 2014 Yukon 5.3L is noticeable sometimes at those speeds. It feels like a very slight shudder or at least change in engine sound/vibration. Turning tow/haul on does not disable AFM, at least on ours. I read somewhere that M mode does disable it but haven't tested that yet.
wnjj 04/29/21 02:12pm Tow Vehicles
RE: Duramax batteries drained by camper while plugged in.

Why would he have the fridge on 12v when hes plugged in to the house? Same reason the batteries are dead. The 120V or the converter clearly wasn't working. If not the fridge, there's really nothing else that should pull down multiple batteries in only a couple days.
wnjj 04/28/21 03:54pm Tech Issues
RE: Duramax batteries drained by camper while plugged in.

GM trucks have nothing to disconnect the camper batteries from the truck batteries. They are constantly hooked together as long as the 7 pin plug from the camper is plugged into the trailer. The solution is to unplug the cord from the truck when dry camping. Or, you can install a switch in the charge line and turn that off. If you want to automate the process I would install an automatic charge relay from Blue Sea systems or another reputable brand. May not be possible to disconnect the cord with the truck camper loaded. Another solution is to pull the stud #1 fuse in the under hood fuse box. However in this case, clearly the converter isn’t working and the truck and camper batteries were powering the fridge, I’m assuming in 12V mode since they died so quickly.
wnjj 04/28/21 10:50am Tech Issues
RE: Trailer Tongue Coupler Wear?

The other day I pulled the camper out of storage and drove a couple hours with it. After I parked it, I noticed some unusual wear on the ball. It could be due to a lack of grease. Looking up into the coupler, there is a line there and I'm not sure if it's cracked or if it's supposed to be like that. Does anybody know if that looks normal or not? Pictures attached. Thanks in advance! Art https://i.imgur.com/4yHA4e1.jpg width=800 https://i.imgur.com/yrFp3Qw.jpg width=800 https://i.imgur.com/7blI8YP.jpg width=800 https://i.imgur.com/O5KFyWg.jpg width=800
wnjj 04/27/21 09:36pm Travel Trailers
RE: 50 amp RV outlet

The more heavily loaded side pulls down below 120v and the other side goes up. As items blow open, the mismatch is greater until the lightest loaded side goes open circuit. The heavily loaded side will never see more than 120v. You are correct, if you assume that everything, literally EVERYTHING, on the dead leg blows. If anything, anything at all, keeps pulling current, the other leg does see 240v. A lot of stuff that plugs in, in this day and age, are rated for 100v to 240v and 50hz to 60hz. Those items will keep pulling current. I don't think it is safe to assume that the first leg will completely blow out and the second leg will be saved. But, I don't usually deal in absolutes. It seems much safer to me to say everything in the RV is at risk than to say that half of the RV will be safe. It may, or it may not be. That's not quite right. Based upon past discussions I know DrewE knows his stuff, but got it reversed in this case. :) Lower impedance means lower voltage across that impedance and higher across the high impedance ones. If some of the loads on the high voltage leg blow, the impedance and therefore voltage across those remaining loads increases which continues to lower the voltage across the other leg. So one side will only see decreasing voltage unless all loads go away on the high side after which the low side sees nothing. Nevertheless, this can still be damaging the some devices that do not like low voltage (e.g. A/C).
wnjj 04/26/21 02:33pm Tech Issues
RE: 50 amp RV outlet

The other thing that can fry stuff in a RV is a standard 4-pin 50A connection with an open neutral. That can cause half of the devices in your RV to see much higher than 120V and why many suggest installing some kind of protection system. Yes, an open neutral on a 50 amp rig will fry stuff. However, it doesn't fry just half of the stuff, it fries everything. Since there is no NEUTRAL, everything sees the full 240v. Fortunately, an open NEUTRAL is rare. Everything doesn't see 240V, not at the same time. The 240V is split between the two legs; the one with the higher load and hence lower impedance sees proportionally more of the voltage, and the one with the lower load sees less voltage. In theory, if the legs were perfectly balanced, there would be no change in their voltage and no problems at all; indeed, in that situation, there is no neutral current, so it's effectively an open circuit anyhow. The legs are not perfectly balanced in normal cases, though, and how far out of balance they are can change rather rapidly and spectacularly if devices are damaged and become open circuits (or short circuits, followed by their circuit breaker tripping, making an open circuit). A broken neutral is indeed very bad news. It does not, however, lead to 240V at all the outlets and loads. Agreed that all items don't see 240v AT THE SAME TIME. However, when leg 1 sees 240v and blows out its 120v items, they stop pulling power and leg 2 now sees the 240v. So, saying they don't see 240v AT THE SAME TIME is accurate. It is milliseconds between the two. When the fried items “blow” and stop pulling power, the circuit is now open and nothing sees any or voltage. The L1 and L2 loads are in series so when one side loses all of its devices and there’s no neutral, there is isn’t a complete circuit. The more heavily loaded side pulls down below 120v and the other side goes up. As items blow open, the mismatch is greater until the lightest loaded side goes open circuit. The heavily loaded side will never see more than 120v.
wnjj 04/26/21 12:32am Tech Issues
RE: 50 amp RV outlet

The other thing that can fry stuff in a RV is a standard 4-pin 50A connection with an open neutral. That can cause half of the devices in your RV to see much higher than 120V and why many suggest installing some kind of protection system.
wnjj 04/23/21 08:39am Tech Issues
RE: What is a “converter”?

In RV speak converter and battery charger are the same. Not always. Two different tent trailers I've been around in the past have had a converter that only provided 12V for accessories and did not charge the battery. They had a switch to pick battery or converter for the 12V supply source. It wouldn't surprise me if older model truck campers were the same way.
wnjj 04/21/21 11:10pm Truck Campers
RE: Eagle Cap quality control continues to disappoint

It looks like the drawer may have drug on it and tore it off. I don’t see how that flex hose was supposed to make a 90 that tight. We like the heat in the cab over, particularly if you close the curtain.
wnjj 04/17/21 12:48am Truck Campers
RE: How to remove tail light from 2020. Rock wood mini lite

Can you see that it has a bulb or being that new is it possibly an LED assembly? If the latter, you may have to remove caulking and replace.
wnjj 04/17/21 12:38am Travel Trailers
RE: Under the sink water filtration

Our truck camper came from the factory with an under-sink filter and extra spigot. We use it all the time and wouldn’t be without it.
wnjj 04/12/21 10:31am General RVing Issues
RE: 07 GMC "Service Air Bag" warning ??

Maybe this will help? https://www.youtube.com/watch?v=16Ek8YfxYt0
wnjj 04/04/21 09:10am Tech Issues
RE: Escalade/Denali or Suburban 2500

Some GM vehicles have a list of RPO codes in the globvebox. https://www.differentials.com/gm-axle-ratio-identification-codes/
wnjj 04/03/21 10:27am Towing
RE: Help identify bearings parts

Probably it's a stupid question, is there a need to remove/re-install the race? Only if you are replacing the bearing. Sorry, not sure I got you. In my case I would like to grease the bearing, there is no need to remove the race? If you remove, grease and reinstall the same bearing you can leave the race in there. The race and bearing wear together like a matched pair. If you ever replace the bearing with a brand new one, you'll want to install the new race. For routine bearing repacking you do not need to remove the race.
wnjj 04/02/21 10:47pm Travel Trailers
RE: Help identify bearings parts

Probably it's a stupid question, is there a need to remove/re-install the race? Only if you are replacing the bearing.
wnjj 04/02/21 12:01am Travel Trailers
RE: Help identify bearings parts

A poor man’s bearing race driver is the old race with the outside ground down to make a loose fit.
wnjj 04/01/21 09:12am Travel Trailers
RE: Advice on new RV battery maintenance.

I've used POR-15 to treat rust where my tractor battery puked all over. It's expensive too but works great and leaves a nice black color so paint isn't even needed. Years later it still looks like new. POR-15 SDS
wnjj 03/30/21 11:13pm Tech Issues
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