5 Troubleshooting Tips For RV Shore Power (120V AC & 12V DC)

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Recently, in our weekly RV Lifestyle podcasts, certified RV inspector Brenda from Queen Bee RV shares her expertise regarding common problems RVers face. And in this RV Lifestyle podcast episode, Brenda shared troubleshooting tips for RV shore power. You can easily resolve many repair issues by understanding your RV's electrical systems. Brenda helps us do just that!

Here is the advice she shared on our podcast. She helps us understand the different systems and then walks us through troubleshooting tips that will likely fix the problem.

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We summarize Brenda's tips below, but watching the above video is very helpful! Brenda walks you through what you need to know and the fixes you can try.

The first step is to familiarize yourself with which appliances and components operate on the 120 Volt AC or 12 Volt DC system. This knowledge will help you troubleshoot your RV appliances more effectively.

To make things easier, create a cheat sheet that lists the appliances and components that run on each system.

The 120 Volt AC system powers significant appliances like the air conditioner, microwave, wall receptacles, refrigerator (absorption type or residential style), tank water heater (if electric option is available), and the washer and dryer.

Additionally, it powers the converter, a commonly overlooked component that charges your battery or operates your 12 Volt DC systems.

The 12Volt DC system is powered by your coach battery, which can be lead acid, gel, AGM, or lithium. (You can read why lithium batteries are taking over the RV world.)

This system controls interior lights, water pump, appliance control systems (like the fridge and air conditioner thermostat), slide-out and leveling systems, DSI igniter on the water heater, vent fans, furnace blower fan, and some electronics.

If you encounter issues with the 120 Volt AC system, consider the following troubleshooting tips. They may save you a costly bill from a repairman!

If you are facing issues with the 12 Volt DC system, try these troubleshooting tips:

It may seem too simple, but creating a list of these troubleshooting tips on an index card can be a lifesaver. Keep it handy for easy reference whenever you run into RV electrical system issues.

By following these steps, you can eliminate a surprising number of problems and ensure a smooth and enjoyable RVing experience.

We hope you found these tips helpful! You can listen to our podcasts or watch the videos.

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In another helpful podcast, an expert on all things electric in an RV shares the Dos and Don'ts every RVers should know. You can listen to the podcast or watch the video above.

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