RV Electrical Repair
RV electrical systems combine shore power, batteries, a converter or inverter, and sometimes solar — which means a single symptom can have several possible causes. Below are common problems and what a diagnosis typically covers.
Common symptoms
- RV isn't receiving power when plugged into shore power
- Main breaker or a specific circuit breaker trips repeatedly
- House batteries won't hold a charge or drain unusually fast
- Converter or inverter shows a fault light or stops working
- Lights flicker or dim when other appliances turn on
- One or more outlets have no power while others work fine
- GFCI outlets trip repeatedly and won't reset
- Generator runs but doesn't seem to be charging the batteries
- Solar controller shows an error or isn't registering charge
What this usually involves
Electrical issues in an RV usually need to be traced system by system: shore power connection, breaker panel, converter/inverter, battery bank, and individual circuits. A dead outlet, for example, could be a tripped GFCI upstream, a loose wire nut, or a failed breaker — each needs a different fix.
Battery charging problems often come down to the converter not outputting the correct voltage, a failing battery, or a wiring issue between the battery and the rest of the system. Solar-related faults usually require checking the controller readout alongside actual panel output.
RV Electrical Repair FAQ
A GFCI that keeps tripping is doing its job by cutting power in response to a fault, so repeatedly resetting and using it isn't a good long-term approach. It's best treated as something that needs a look before regular use continues.
General electrical and wiring diagnosis isn't something we can walk through here, since incorrect handling of RV wiring carries real safety risk. It's best described in your request and left to an in-person diagnosis.
This can point to a parasitic draw somewhere in the system, a failing battery that can no longer hold a charge, or a converter that isn't maintaining the battery correctly. Confirming which one requires testing with the RV in its normal setup.
It helps to note whether the issue happens on shore power, generator, battery only, or all three, and whether it affects one circuit or the whole RV. You don't need to diagnose the cause yourself — just describe what you're observing.
Need Help With Your RV?
Tell us what’s happening and where your RV is located.
Request Mobile RV Service