Onan 7.5 Diesel Generator problem
OK, here we go again with this new to us coach. I go to start the genset today and nothing but the preheat and fuel pump is working. Starter won't turn over at all. Fault code 46 present and says th...
Forum Discussion
melton wrote:
You may want to consider changing the generator to start on the chassis batteries, along with the engine, instead of on the house batteries. If the house batteries become depleted, such as when dry camping, they may not be able to start the generator. Also, the chassis batteries are better designed for the short burst of high current needed to start either engine.
That's a thought, but have never had a problem with the old coach on house power. Could always start the engine for instant power if the aux boost didn't want to work.
As for starting power, I put in 4 Group 27 AGM's like it came from the factory and according to Fleetwood's recommendation and expect they will crank over the big Cat as well. Whether or not 6v or some other type would have been better, I'm not sure at this point and just wanted it back like original. I did negotiate a pretty good price for these and hope they will serve us well all around....
Batteries Plus
