My name is Karder, and I’m a RVTI-Certified RV Technician who works full-time in the field diagnosing the REAL problems RV owners deal with every single day — electrical issues, slide failures, jacks, Aqua-Hot, solar, Firefly, Tiffin, Airstream, Renegade… you name it, I’ve seen it (and fixed it). This community is here to make RV ownership easier, cheaper, and way less stressful — even if you’re a total beginner.

Learn the basics of RV batteries and the 12-volt system. This class breaks down battery types (lead-acid, AGM, lithium), how charging works, common failure signs, parasitic drains, safety tips, and simple diagnostics you can do yourself. No tech background needed — clear explanations from real field experience.

🧠 Overview: Your RV has two electrical systems: 120V (house power) – outlets, AC units, microwave 12V (battery power) – the “lifeline” of your RV 🔌 12V powers all the important stuff: Interior lights Water pump Furnace board Fridge control board Fans & vent lids Slide-out control boards Leveling system brains Steps Awning controllers LP detector If your 12V system dies, your RV basically becomes a parked box.

Welcome to RV Preventive Maintenance 101 — a simple, practical guide to keeping your RV in top shape and avoiding costly breakdowns. These lessons teach you what to look for, what to maintain, and how to spot early warning signs before they turn into big problems. No tools or repair skills needed — just clear, beginner-friendly knowledge.

Course Description: A beginner-friendly course designed to help RV owners solve the most common problems quickly and safely. Each lesson teaches simple checks anyone can do without tools, technical knowledge, or taking anything apart. These quick fixes often solve 50–70% of the issues RV owners face on the road. If the basic steps don’t solve the problem, each lesson explains what that usually means and when it’s time for a trained RV technician to take over.