RV electrical problems often stem from faulty transfer switches, loose connections, or blown breakers in the main panel. Most 120V shore power issues can be diagnosed by checking the transfer switch operation, main breaker panel, and power distribution connections systematically.
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.
Your Generac 7.5kW diesel generator likely has a damaged starter solenoid or starter motor from extended cranking with a weak battery. Check connections, test the solenoid, and inspect the starter before seeking professional repair.
Expert guide to RV 12V DC electrical systems. Covers batteries, wiring, voltage monitoring, and system upgrades.
Master your RV electrical system from house batteries to shore power. Covers 12V DC, 120V AC, inverters, and charging.
Finding discontinued Generac 75D coolant hose C4845 requires checking specialized generator dealers, industrial suppliers, custom fabrication shops, or cross-referencing with similar models. Generic coolant hoses can often be adapted with proper sizing.
Your 1993 American Eagle's Onan generator producing only 12-15 volts indicates a faulty rectifier bridge (part CR21) or suppressor (part RV21). The correct replacement parts are 305-0696 for the rectifier bridge and 305-0703 for the suppressor.
Keep your RV generator running reliably with this comprehensive maintenance and troubleshooting guide for Onan, Generac, and Cummins units.
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.
Compare electrical systems between motorhomes and toy haulers. Covers battery setups, power demands, and generator needs for each RV type.
Fix your RV refrigerator with this guide covering Dometic, Norcold, and residential fridge issues.
Even with disconnect switches engaged, phantom loads and battery self-discharge can drain RV batteries during storage. Installing battery maintainers, using master disconnect switches, and addressing phantom loads will solve this issue.
Onan fault codes display via LED blinks or digital display. Common codes include 12-overspeed, 13-low oil, 14-high temp. Consult model-specific service manual for complete code list. Persistent codes may require professional diagnosis.
Consistent 2-minute shutdown under load indicates fuel delivery cannot keep up with demand. Check fuel pump, bleed system, verify no restrictions. Also check if generator is undersized for AC load - may need soft start on AC unit.
Generator surging is typically caused by a dirty carburetor, fuel system issues, or governor problems. Start by cleaning the carburetor and air filter, then check fuel quality and governor linkage.