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RV 12V Lights Dimming: Complete Troubleshooting Guide
Electrical Easy 30 minutes 120 👍

RV 12V Lights Dimming: Complete Troubleshooting Guide

My neighbor insists it's the converter, the RV dealer swears it's bad wiring, and every YouTube video claims it's a dying battery—but my 12V ceiling lights keep dimming! One evening they're blazing bright like a casino, the next morning they're giving off all the enthusiasm of a sleepy firefly.

I've already checked my batteries, and they seem to be charging fine and in good shape. The converter is still humming and its fan is running normally. I'm pretty sure this isn't some fancy mood lighting feature I accidentally activated (though knowing my tech skills, anything's possible). The dimming seems totally random - sometimes they're fine, sometimes they look like they're on their last legs.

I've got a basic multimeter that I pretend to know how to use, but I'm not sure where to even start poking around. As a bonus weirdness, some of my under-cabinet light switches and the wall switch for the ceiling lights are getting really hot. Anyone know what typically causes this whole disco light show situation with 12V lighting systems? …more
RV Awning Won't Extend or Retract: Complete Troubleshooting & Repair Guide
Exterior Medium 45 minutes 106 👍

RV Awning Won't Extend or Retract: Complete Troubleshooting & Repair Guide

This power awning manual says hold the extend button for 3 seconds, but mine's completely dead and won't budge no matter how long I hold it. When I hit the extend button, it moves out maybe 6-8 inches and then immediately retracts on its own. I have to turn the power switch off and back on each time to get even that little bit of movement.

I'm hesitant to keep forcing it since I don't want to burn out the motor or make whatever's wrong even worse. Could this be an electrical issue with low voltage, or maybe the tracks are too dirty? I've also heard about limit switches causing problems but I'm not sure how to check those safely.

What are the most common causes when an awning does this short extend-then-retract cycle? I want to start with the safest troubleshooting steps before calling a repair shop. …more
50 Amp RV Inverter Charger Replacement: Complete Installation Guide 20
Solar Batteries Hard 4-6 hours 87 👍

50 Amp RV Inverter Charger Replacement: Complete Installation Guide 20

Finally moved into an RV with a 20-year-old Tradewinds inverter/charger unit that's completely dead and I have absolutely no idea how to replace it. The repair shop is offering a used Magnum MS2812 (2800VA) for $700 installed, but I'm concerned about its actual charging capacity versus my requirements.

My RV is wired for 50A shore power service, and I need an inverter/charger that can handle the full charging load. The shop claims the MS2812 will work, but the specifications seem to indicate it's only a 30A charger unit. Are there any legitimate 50A inverter/charger options available under $1000, or should I be looking at different manufacturers like Progressive Dynamics or Aims for this price range? …more
HWH Levelers Flashing Blue Light: Complete Battery Reset & Troubleshooting Guide
Electrical Medium 1-2 hours for diagnosis 87 👍

HWH Levelers Flashing Blue Light: Complete Battery Reset & Troubleshooting Guide

Opened three different browser tabs trying to figure out why my HWH levelers are flashing blue — neighbor says dead batteries, dealer claims sensor issue, YouTube insists wiring problem. The blue light keeps flashing and the jacks won't respond at all - they won't go up or down. The only thing that seems to work is disconnecting the house battery for about 15 minutes until all the panel lights go dark, then reconnecting it.

I'm worried this might be a sign of something serious going wrong with the electrical system or the levelers themselves. Could this indicate low voltage issues or bad connections that might be unsafe? I really don't want to damage anything expensive or put my family at risk. What should I be checking, and is this something I need to call HWH about immediately? …more
RV AC Won't Start After Capacitor Replacement? 5 Easy Fixes
Electrical Medium 1-2 hours 84 👍

RV AC Won't Start After Capacitor Replacement? 5 Easy Fixes

Standing here looking at my RV AC unit right now and I can see the brand new capacitor I just installed, but the entire system is stone cold dead. I have a 2012 King Aire 4584 and recently tried replacing the run capacitor on my rear A/C unit because it was only running for about two minutes at a time and the compressor was getting really hot.

Now I'm in a worse situation - the unit won't start at all, even after I put the old capacitor back in. I'm wondering if there are some basic things I should be checking that I might have missed? Could I have blown a fuse or tripped something during the replacement? The compressor was pretty hot when I was working on it.

I'm hoping there might be some kind of reset button or other troubleshooting steps I should try before calling a repair tech. Any advice would be really appreciated! …more
Norcold N611 NO CO Error Code: Complete Repair Guide for Flashing Warning Lights
Ac Refrigeration Medium 2-4 hours 83 👍

Norcold N611 NO CO Error Code: Complete Repair Guide for Flashing Warning Lights

Staring at my 2007 Norcold N611's flashing NO CO lights shutting everything down — is there a DIY fix under $50 since I can't swing a $300 service call? The fridge loses cooling and then locks out completely. I can reset it and it works for a few days or weeks, then the same cycle repeats.

What exactly does the NO CO error code mean and what causes it? Need to understand what's happening before I start throwing more parts at this problem. …more

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Suburban SF-42Q Furnace Shuts Off After 5-10 Minutes: Troubleshooting
Propane Hard 1-3 hours 75 👍

Suburban SF-42Q Furnace Shuts Off After 5-10 Minutes: Troubleshooting

Pulled into camp last night and there's this sharp clicking sound followed by dead silence when my Suburban SF-42Q furnace burner dies after 5-10 minutes. The system attempts to re-ignite several times before giving up and shutting down completely. Cycling power restarts the unit, but the same pattern repeats.

I've verified the sail switch operates correctly and the thermal limit switch shows continuity when cold. The unit starts immediately and heats effectively during those initial minutes before failure. What are the most likely causes for this specific shutdown pattern, and what diagnostic steps should I prioritize to identify whether this is an overheating issue, fuel delivery problem, or control board failure? …more
Braun RV Lift Stops Halfway & Loses Power: Troubleshooting Guide
Electrical Medium 2-3 hours 74 👍

Braun RV Lift Stops Halfway & Loses Power: Troubleshooting Guide

Starting to think my Braun RV lift is eating through battery power way faster than it should, dying completely halfway up every single time. We have a Braun lift on our converted shuttle bus, and I'm running into a frustrating problem that has me stumped.

The lift works fine going up and it folds/unfolds without any issues. But when I try to lower it, it consistently stops about halfway down and the control button completely loses power. The only way I can get it working again is to manually raise or lower it using the hydraulic manual override, then the power comes back.

I'm wondering what typically causes this kind of behavior? Is this likely an electrical problem, something with the hydraulic system, or maybe a sensor issue? I'd appreciate any troubleshooting tips since I'm not sure where to start looking for the problem. …more
Water Heater Hot When Empty - No Safety Protection Issue
Propane Medium 2-3 hours for inspection and potential repairs 73 👍

Water Heater Hot When Empty - No Safety Protection Issue

Finally asking what's probably a dumb question, but why is my RV water heater getting scorching hot even when it's completely empty? After 10+ years of RV ownership, I somehow managed to leave my water heater running while empty and connected to shore power. When I opened the access panel today, that sucker was HOT.

I'm honestly amazed I haven't burned anything down yet - or at least fried the heating element. I always assumed there was some kind of built-in safety feature that would shut things down if the tank went dry, but apparently my water heater didn't get that memo.

So here's my slightly embarrassing question: Do most RV water heaters actually have dry-fire protection, or am I supposed to rely on my apparently non-existent common sense? And more importantly, what can I do to prevent my future self from making this same bone-headed mistake again? …more
How to Fix Freedom 20D Inverter Circuit Loss and Internal Breaker Repair Guide
Solar Batteries Hard 2-4 hours 73 👍

How to Fix Freedom 20D Inverter Circuit Loss and Internal Breaker Repair Guide

Wondering why the manual shows a reset breaker location on my Freedom 20D inverter that doesn't match what I'm actually seeing inside the unit? My 1999 motorhome has a Freedom 20D inverter that was working fine until recently. I was running some heaters during cold weather and when I started the engine, something went wrong and I lost one of the AC circuits completely.

I've reset all the house breakers and checked every GFCI I could find. All the other circuits work fine, but this one inverter circuit has no power at all. When I look at the inverter itself, none of the breakers appear to have tripped - they all look normal to me.

I'm wondering if there might be some kind of internal breaker or component that failed inside the inverter that I can't see? Is this something that can be repaired, or am I looking at replacing the whole unit? Any help would be greatly appreciated since I'm not sure what to check next! …more
RV Red Warning Light: How to Identify Unknown Electrical Components
Electrical Easy N/A 69 👍

RV Red Warning Light: How to Identify Unknown Electrical Components

Woke up to find my RV's mystery electrical component glowing red instead of the green light the manual promised, and I can't even figure out what this thing is! In the picture I uploaded, you can see the component with the red warning light that just started appearing recently. I'm pretty sure that's not a good sign, right?

I'm thinking it might be some kind of detector or maybe part of the electrical system? There are so many gadgets crammed into these rigs. Anyone know what typically has red warning lights in RVs and what I should be looking for to figure out what this thing actually is? Would love to get it sorted before it becomes a bigger problem! …more
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