Real fixes for real RV problems.
No forum runaround, no sales pitch. Walk through the exact checks a mobile RV tech would run, in the order they'd run them.
22 free troubleshooting guides covering electrical, water, climate, mechanical, and propane systems. Each guide walks through diagnosis in the order a mobile RV tech would check things.
Electrical & Power
Battery not charging
Converter output, parasitic drains, corrosion, and lithium BMS basics.
Read guide →RV converter not working
No 12V from shore power. Multimeter test, WFCO and Progressive Dynamics replacement basics.
Read guide →Power cord melted at the plug
30A and 50A plug failures. Why it melts, how to replace, and why you need an EMS.
Read guide →Fridge on 12V while driving
Compressor vs absorption, propane safety while moving, what's actually safe to run.
Read guide →Water & Plumbing
Water pump not working
Pump won't prime, runs constantly, or pulses. Seven checks before you call a tech.
Read guide →Water heater not hot
Atwood and Suburban diagnosis. Bypass valves, GFCIs, and thermocouples.
Read guide →Water tastes like plastic
Bleach sanitize procedure, filter setup, and the new-tank break-in routine.
Read guide →Toilet won't flush
Flush ball seals, stuck pedals, and the dreaded black tank pyramid clog.
Read guide →Tank sensors stuck on full
The drive-and-slosh, Geo Method, and how to actually clean the probes.
Read guide →Climate Control
AC not cooling
Amps, airflow, frozen coils, and when the compressor is actually bad.
Read guide →Dometic Penguin II not cooling
Brand-specific gotchas: foam baffles, thermistor placement, capacitor.
Read guide →Furnace blowing cold air
Suburban and Atwood furnace diagnosis. Low voltage, sail switch, and vent blockages.
Read guide →Fridge not cooling
Absorption vs compressor, leveling, ventilation, and the ammonia smell test.
Read guide →Slides & Mechanical
Slide-out won't retract
Stuck slide on checkout day? Manual override steps for Lippert, Power Gear, and Schwintek.
Read guide →Lippert slide motor clicking
Voltage, fuses, and the H-bridge relay. Schwintek-specific notes.
Read guide →Leveling jacks stuck down
Manual retract procedures for hydraulic and electric jack systems.
Read guide →Awning stuck
Manual override for Carefree, Dometic, and Lippert power awnings.
Read guide →Propane & Generator
Propane detector beeping
Real leak vs end-of-life chirp. Beep codes and the soap-bubble test.
Read guide →Onan generator won't start
No crank, cranks but won't fire, or blinking fault codes. Full diagnosis.
Read guide →Exterior & Leaks
Roof leak around a vent
Find the real source, identify your roof type, and reseal it the right way.
Read guide →Cabover bed leak (Class C)
Front cap leaks. Garden hose test, common entry points, the right sealants to use.
Read guide →Reference & Seasonal
RV glossary
50+ RV terms in plain English. From boondocking to GVWR to Schwintek.
Read guide →Seasonal RV prep checklist
Spring, summer, fall, winter. Year-round maintenance to prevent the most common RV failures.
Read guide →TPMS not reading a sensor
TST, TireMinder, EEZ TIRE diagnosis. Battery, pairing, signal range, repeater placement.
Read guide →9 free RV apps worth downloading
The best free RV apps for trip planning, campsites, fuel, dump stations, weather.
Read roundup →Using AI for RV troubleshooting
Honest comparison of ChatGPT, Camphost, RV forums, and Google for RV problems.
Read comparison →Can't find your issue?
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