Results for "AC fuse"

Electrical Medium 2-4 hours 744 👍 0

RV Chassis Battery Draining & Dead Outlets - Troubleshooting

Finally followed the manual's advice to check the converter first when my outlets died, but my RV chassis battery keeps draining even though the converter tests perfectly. here and I'm at my wit's end with my 2018 Winnebago Vista. The chassis battery keeps going completely dead every few days, even when we're plugged into shore power at the campground. I've already replaced the battery twice thinking it was just old, checked all the obvious stuff like dome lights and radio, and even had the alternator tested - everything checks out fine.

What's really driving me crazy is that this just started happening about a month ago out of nowhere. We've been full-timing for three years without any major electrical issues. I'm wondering if there's some parasitic draw I'm missing or if the battery isolator could be acting up? Has anyone else dealt with this nightmare? I'm getting tired of jump-starting this thing every other day and my wife is about ready to sell the rig and get a travel trailer instead! …more

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Electrical Medium 45 minutes 666 👍 0

RV Backup Camera Not Working? Complete Troubleshooting Guide

Spent all winter enjoying a perfectly working RV backup camera, but the second temperatures hit 85 degrees outside, my screen goes completely black. My wireless backup camera decided to give me the silent treatment right when I need it most. The monitor is just sitting there mocking me with a "no signal" message, and honestly, my spatial awareness isn't what it used to be.

The camera worked fine on our last camping trip (when I only needed to back up twice), but now that I'm trying to navigate tight campground spots, it's gone completely dark. I'm dealing with a wireless system, so I know there are more things that can go wrong than with a wired setup.

Before I resort to using my spouse as a very expensive parking sensor, what's the best way to troubleshoot this? I'm hoping it's something simple like a loose connection rather than having to explain to my insurance company why there's a picnic table embedded in my bumper. …more

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Ac Refrigeration Medium 45 minutes 419 👍 0

Dometic 12V Refrigerator Not Cooling on Battery Power - Complete Troubleshooting Guide

Staring at my Dometic DMC compressor refrigerator that runs perfectly on 12V DC when it's cool but stops cooling completely once temperatures hit 85°F or higher. The unit works perfectly when I'm plugged into shore power at campgrounds - everything stays cold and the freezer compartment keeps items frozen solid. However, when I'm boondocking and running solely on my RV's battery bank, the performance drops significantly. The refrigerator struggles to maintain proper temperatures, and the freezer can't keep things frozen.

I have a relatively new battery setup with what should be adequate capacity for my power needs. The batteries test fine with a multimeter when the refrigerator isn't running, but I'm wondering if there's something I'm missing about power requirements or electrical connections. I've heard that 12V compressor refrigerators can be pretty demanding on battery systems, but I'm not sure what specific issues to look for.

What are the most common causes when a 12V Dometic compressor refrigerator works fine on shore power but fails to cool properly when running on batteries? I want to troubleshoot this systematically before calling in a technician. …more

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Electrical Medium 2-6 hours 366 👍 1

ECM Low Battery Warning RV: Complete Diagnosis & Fix Guide

During a family trip, my 2005 Fleetwood Discovery 39S threw code 168-1 for low ECM battery voltage and went into full shutdown mode—is this dangerous with kids onboard? Engine cut out, transmission selector went dark, ABS warnings everywhere - the whole nine yards. Scared the heck out of me when it happened on the interstate!

I'm seeing this seems to be a thing with these diesel pushers, but I'm drowning in conflicting info online. Some say it's the chassis battery, others blame alternator issues, and I've even seen posts about ECM power supply problems on the Caterpillar engines. What's the actual step-by-step process to track this down? And more importantly, how do I fix it so it doesn't leave me stranded again? Really need a complete walkthrough of what causes this code and the proper repair approach. …more

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Electrical Medium 45 minutes 247 👍 0

RV Shore Power Not Working: Complete Troubleshooting Guide

Plugged into shore power at the campground last night and absolutely nothing happened — no lights, no AC, nothing. Breaker on the pedestal looks fine and my neighbor's rig is running perfectly on the same circuit. Starting to wonder if something fried inside the transfer switch. …more

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Electrical Medium 30-90 min 243 👍 0

No 12 Volt Power in RV: Complete Troubleshooting Guide

Turned the key and nothing works on 12 volt — no lights, no water pump, no slides. Batteries show 12.6 volts on the multimeter so they're fully charged. House batteries seem fine but zero power is getting to any of the 12V circuits inside the coach. …more

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Solar Batteries Medium 2-4 hours 236 👍 0

RV Battery Draining Overnight? Find & Fix Parasitic Drain

The day after I installed that new solar charge controller last month, my RV batteries started mysteriously draining from fully charged to completely dead overnight. I've already confirmed that all visible lights, fans, and appliances are turned off, and I've switched off the main interior power, but something is still drawing power continuously. I understand this is likely a parasitic drain where some component or circuit is staying energized when it shouldn't be, but I'm not sure how to systematically track down which specific circuit is causing the problem. I have a basic multimeter but I'm not entirely sure about the proper methodology for testing each circuit individually to isolate where exactly the power draw is coming from. What's the step-by-step process for using a multimeter to methodically work through the electrical system, starting from the main disconnect and testing individual fuses or circuits until I can pinpoint the exact source of this parasitic drain? …more

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Electrical Medium 30 min read 233 👍 0

RV DC Electrical System: Expert Guide to 12 Volt Systems

Opened my RV this morning to find the 12V system going haywire — lights dimming randomly, fans slowing down, and the inverter shutting off despite full batteries.

Specifically, I need to understand the fundamentals of RV batteries - different types, proper sizing, charging requirements, and maintenance. I'm also confused about DC wiring best practices, what gauge wire to use for different applications, how to properly route and protect circuits, and where fuses and breakers should go. Voltage monitoring is another area where I'm lost - I see all these battery monitors and don't know what I actually need or how to interpret the readings.

I'm also planning some system upgrades down the road like adding solar or upgrading to lithium batteries, so I'd love to understand how all these components work together and what I need to consider for future modifications. Is there a comprehensive resource that covers all aspects of RV DC electrical systems from batteries and wiring through monitoring and upgrades? …more

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Exterior Medium 30-60 min 233 👍 1

Kwikee RV Steps Not Working? Complete Troubleshooting Guide

Apparently we're leaving for a three-week cross-country trip next Monday and my Kwikee electric RV steps are still having intermittent retraction issues even after replacing both the gear box and motor. My steps are exhibiting intermittent retraction issues - they extend normally but require manual assistance to retract fully, stopping approximately a quarter inch through the cycle without intervention. I've already installed a new gear box and motor, yet the problem persists.

What systematic diagnostic approach should I follow to identify the root cause? I need to understand the complete troubleshooting sequence for motor functionality, electrical switch operation, and mechanical linkage components. Are there specific voltage measurements, resistance checks, or mechanical adjustments that should be performed to isolate whether this is an electrical or mechanical failure?

Thanks,
Pete …more

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Ac Refrigeration Medium 45 minutes 231 👍 0

How to Fix a Squeaking Dometic Fan-Tastic Roof Fan in Your RV

Looked up at my Dometic Fan-Tastic roof fan squeaking loudly above my kids' beds—is this dangerous or could something actually break and fall on them? The fan blades aren't hitting the housing, so that's not the issue. What are the most common causes of squeaking in these roof fans? Is this something I can fix myself with basic maintenance, or does it usually require replacing parts like bearings or the motor? …more

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Electrical Easy 30 minutes 225 👍 0

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

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General Hard 45-60 min 219 👍 0

How to Remove Firefly RV Control Panel: Complete DIY Guide

Our 2019 Fleetwood Discovery LXE has a malfunctioning Firefly multiplex control panel that needs to be completely removed. I've been putting this off for months because I keep hearing horror stories about people cracking their panels or damaging the surrounding woodwork during removal.

I need to access the back of the unit for some electrical work, but I'm honestly terrified of breaking something expensive. The panel seems to be mounted flush with no obvious screws or clips visible from the front. I've searched everywhere but can't find a complete walkthrough that covers the preparation, actual removal process, and how to get everything back together properly.

Can someone please provide a detailed DIY guide that covers all the steps? I'm willing to take my time and do this right - I just need to know the proper technique so I don't end up with a broken control panel or damaged wall. …more

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Solar Batteries Medium 45 minutes 216 👍 0

RV MPPT Solar Controller E1 Error Code: Causes & Fixes

Halfway through troubleshooting my MPPT solar charge controller's E1 error, the controller was working fine for months, but now it's completely stopped charging my batteries and just displays this E1 fault code on the screen.

From what I've read, this could be related to battery over-voltage conditions or possibly some kind of wiring fault, but I want to make sure I understand all the potential causes before I start troubleshooting. I'm comfortable doing basic electrical work myself, but I also want to know when this might be something that requires professional attention for safety reasons.

Can someone provide a detailed breakdown of what the E1 error specifically indicates, walk me through the proper diagnostic steps to identify the root cause, and explain the repair process? I'd especially appreciate guidance on how to safely approach this troubleshooting and what warning signs would indicate I should call in an expert instead of attempting the fix myself. …more

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Electrical Easy 30 minutes 200 👍 0

RV 12V Auto Reset Breaker Size Guide: 30A, 40A, 50A Selection

Opened up my RV this morning to prep for our two-week cross-country trip tomorrow and the electrical system keeps tripping the breaker every time I run basic appliances! My RV's entire 12V system just died completely - no lights, no water pump, nothing. I've checked everything I can think of and I'm pretty sure it's the auto reset breaker that's failed.

I have a WFCO converter/charger setup with dual 6V batteries, but I can't get underneath right now to read what's stamped on the current breaker. I need to order a replacement but I'm not sure what amperage to get. I keep seeing 30A, 40A, and 50A options online but I don't want to guess wrong and either undersize it or waste money.

What's the typical auto reset breaker size for this type of setup? Is there a standard that WFCO usually pairs with dual 6V battery systems? …more

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Plumbing Easy 30-45 minutes 194 👍 0

RV Water Pump Runs But No Water? Troubleshooting Guide

Finally looking at my RV water pump right now and it's running constantly but there's absolutely zero water coming out of any faucets. However, when activating any fixture throughout the system, the water pump initiates and runs continuously without producing water flow at any outlet point.

All system components appear to be functioning mechanically - pump motor engages properly, electrical connections are secure, and there are no visible leaks in accessible plumbing runs. The symptom manifests uniformly across all water delivery points including kitchen, bathroom, and exterior service connections.

What diagnostic steps should be performed to identify the root cause of this no-flow condition despite continuous pump operation? …more

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