No 12 V juice--battery or converter?
My new-to-me 2014 Coachmen C (21QB) has no 12 V juice without the generator running. As in, the lights won't even come on. The battery is a cheapo, previous treatment unknown. When I looked at it...
Forum Discussion
Sounds like the converter is working
Try this test
With the generator on and you have 12v power
Flip the the battery disconnect switch several times
The latching relay might be stuck
Or if the batteries are discharged the latching disconnect relay might not have enough power to engage
Check to see if the batteries are getting charge voltage
Somebody will post where the relays are located
And any fuses
Generator can be wired chassis or house
The Onan in my RV is wired to the engine battery
Try this test
With the generator on and you have 12v power
Flip the the battery disconnect switch several times
The latching relay might be stuck
Or if the batteries are discharged the latching disconnect relay might not have enough power to engage
Check to see if the batteries are getting charge voltage
Somebody will post where the relays are located
And any fuses
Generator can be wired chassis or house
The Onan in my RV is wired to the engine battery
