RV Electrical Repair in the East Valley

RV Electrical Repair

RV electrical problems are the ones that leave you sitting in the dark with no idea where to start, because an RV runs two systems at once — 12-volt house power from the batteries and 120-volt shore or generator power — tied together through a converter, an inverter, and a transfer switch. We troubleshoot and repair both anywhere in the East Valley. Dead house batteries that will not hold a charge, no 12V lights or water pump, no shore power at the pedestal, breakers or fuses that keep blowing, a converter that quit charging, an inverter that will not invert, or a solar setup that is not topping off the bank — we trace it to the actual fault instead of throwing parts at it. We test batteries under load, check the converter and inverter, the transfer switch, the shore cord and pedestal, the grounds, and the fuse and breaker panels. Out here, where a lot of RVers run solar and lithium for boondocking, we sort out the charging side too.

Two systems, one diagnosis: 12V and 120V

Half of RV electrical confusion comes from not knowing which system is at fault. No lights and a dead water pump points at the 12V house side — the batteries, the converter, or a ground. No microwave or outlets with the lights still working points at the 120V side — shore power, the transfer switch, or a breaker. We test both, find where the chain breaks, and fix that — rather than replacing a perfectly good battery because the real problem was a corroded ground or a failed converter.

Batteries, converters, inverters, solar, and lithium

A lot of East Valley RVers boondock and run upgraded power — solar on the roof, a lithium bank, an inverter for the household outlets. When the bank will not charge or hold, the culprit can be the batteries, the converter or charge controller, a bad connection, or a setting that does not match a lithium chemistry. We test the bank under load, check the charging sources, and make sure the converter or controller is actually configured for what you are running. If you are thinking about adding solar or going to lithium, we can sort the existing wiring first.

What’s included

• 12V house and 120V shore/generator systems both diagnosed
• Dead or weak house batteries tested under load
• Converters, inverters, and transfer switches checked
• Blown fuses, tripping breakers, and bad grounds traced
• Solar and lithium charging systems sorted out
• No shore power at the pedestal? We test the cord and panel