Build in Generator
ONAN Handbook :Generator link
Onan RV Generators are the world’s leading RV generator. RV manufacturers like Onan generators so well that they put them stock in all of their units that come with a generator. Onan generators are able to run on gas and also lp gas. Onan generators are quiet, giving you peace at night when you lay down so you don’t have to worry about the loud roaring noise while camping. The Onan Marquis Gold generator is the number one used camping generator across the nation. Most RV’s and campers come equipped with a generator cargo area, and Onan generators are the only style of generators compact enough to fit into the camper’s cargo space built for RV generators. We also have a list of different generator parts, allowing your Onan generator to be wireless.
Electric tutorial about the generator: http://www.rvtechmag.com/electrical/chapter5.php
Onan Troubleshooting guide: http://www.flightsystems.com/pdf/onan-rv-troubleshooing-guide.pdf