Your Onan 5500 generator's fuel pump chatter and dual light illumination indicates a control board communication error triggered by the remote harness connection. This comprehensive guide covers diagnosis, repair steps, and prevention strategies for all common Onan 5500 issues.
When Power Gear levelers won't retract but deploy normally, the issue is typically a faulty retract solenoid valve, damaged wiring, or control module failure. This comprehensive guide provides step-by-step troubleshooting to identify and fix the problem.
Troubleshoot complete 12 volt power loss in RV. Step-by-step guide covering batteries, fuses, disconnect switches, and wiring.
Master your RV electrical system from house batteries to shore power. Covers 12V DC, 120V AC, inverters, and charging.
When an RV water heater pilot light won't stay lit after releasing the button, it's usually caused by a faulty thermocouple that needs cleaning or replacement. The thermocouple is a safety device that detects the pilot flame and allows gas to flow.
Keep your RV generator running reliably with this comprehensive maintenance and troubleshooting guide for Onan, Generac, and Cummins units.
Emergency start connects house batteries to chassis battery. If not working: verify house batteries are truly charged under load, listen for solenoid click when pressing button, check fuses, and verify correct activation procedure. Solenoid failure is common.
Reversed heater lines cause hot dash air while driving because coolant constantly flows through heater core. Diagnose by feeling hose temps, fix by swapping hoses or adding shutoff valve.
Rear brake lights and hazards out often common ground or connector issue. Check grounds at rear lights and chassis-coach junction.
When your RV slide out motor runs but won't retract, it's typically a hydraulic system issue like low fluid, air in lines, or a faulty valve. Cable systems may have broken cables or stripped gears.
When your Dometic RV air conditioner runs but doesn't blow cold air, the most common causes are dirty air filters, blocked condenser coils, low refrigerant, or faulty capacitors. Start with cleaning filters and coils before checking electrical components.
Essential RV tire safety guide covering selection, age limits, maintenance, and when to replace.
Fix your RV refrigerator with this guide covering Dometic, Norcold, and residential fridge issues.
A lithium battery showing 20% but not accepting charge typically indicates a BMS protection mode activation. Try disconnecting all power sources for 30 minutes, then reconnect to reset the BMS before checking connections and charging sources.
A $6,400 DPF replacement quote is high but typical for dealers. Your 2022 Cummins B6.7 may still have emissions warranty coverage for 5 years/100k miles. Consider professional DPF cleaning ($800-1,500) or authorized Cummins dealers before replacement.