RV Electrical & Battery Systems: Complete Guide
Master your RV electrical system from house batteries to shore power. Covers 12V DC, 120V AC, inverters, and charging.
Master your RV electrical system from house batteries to shore power. Covers 12V DC, 120V AC, inverters, and charging.
Troubleshoot house batteries dying while on 50 amp shore power. Diagnose converter, breakers, and connections to restore proper charging.
Keep your RV generator running reliably with this comprehensive maintenance and troubleshooting guide for Onan, Generac, and Cummins units.
Hard starting often fuel pressure bleed-down from check valve or injector. Test by cycling key to build pressure. Use gauge for definitive diagnosis.
External generators need signal wire to trigger ATS, which is only connected to onboard genset. Solutions include manual bypass switch, simulating the run signal, or universal voltage-sensing ATS.
The ignition relay on a 1988 Ford E350 (Fleetwood Tioga base) is typically located in the engine bay fuse/relay box on the driver's side firewall, or in a separate relay box near the battery. Some models may have it mounted on the firewall or inner fender well.
Fix your RV refrigerator with this guide covering Dometic, Norcold, and residential fridge issues.
Lukewarm water from your RV heater is typically caused by a failing heating element, sediment buildup, or thermostat issues. Most problems can be fixed by replacing the heating element, flushing the tank, or adjusting the thermostat.
While there's no direct plug-and-play replacement for the Atwood GC10A-4E with a gas-only tankless unit, you can upgrade to dual-fuel tankless heaters like the Girard GSWH-2 or Truma AquaGo. These maintain electric capability while providing instant hot water and better efficiency.
Dual purpose lithium batteries work for coach use but dedicated deep cycle lithium is better for house banks. Dual purpose compromises between starting and cycling. For RV house batteries, deep cycle LiFePO4 provides better value and cycle life.
P068A indicates an ECM/PCM Power Relay Control Circuit malfunction in your Ford V10. This typically involves a faulty power relay, damaged wiring, or ECM issues causing engine stalling and starting problems.
The Dometic R31 is a solid upgrade from older units like the Wedgewood Vision, with reliable oven performance. The pressure test requires a 0-15 PSI gauge connected to the regulator test port to verify 11" WC gas pressure.
Essential guide for Ford E-Series Class C motorhome chassis covering suspension, maintenance, and common issues.
For RV showers, the Symmons Temptrol and Phoenix PF213200 are top mechanical thermostatic mixing valves. Digital models like the Kohler DTV+ require significant electrical modifications that aren't practical for most RV installations.
Glendinning's post-2020 power cord reels show improved reliability with dielectric grease on slip rings, but the Cable Master bucket design remains more reliable long-term. Most owners report fewer connection issues with newer units.