Question about Onan Generator
Something I have never understood about generators (I have an Onan 6.5 Emerald III.) A 12-volt DC battery is used to start the generator, which then produces 120V AC. The battery supplies the energy ...
Forum Discussion
wopachop wrote:
I was cycling my onan5500 a couple days ago. Store my batteries in the garage.
Pulled out battery to start the genny. Ran for about 55mins. Genny still running I disconnected the negative cable and it died instantly.
Also had my 12v disconnect switch turned off.
Made me wonder the dealio. If the disconnect switch was turned on, would the converter then power the fuel pump?
Will have to test that next month. The fuel bowl was filled with gas so I guess it wasnt a fuel pump issue but instead a "making spark" issue?
If the disconnect was in use with the Onan running !
You were powering the generator directly from the battery with out charging it from the converter
When you removed the negative cable you removed 12v control, spark, and fuel pump
And left your battery in a partially discharged state
