Generator won’t start 8500

have you checked the codes? it should be flashing your problem

Have you verified the fuses that are on the generator itself?

Generally, if you have 12V at the generator starter solenoid, there are no DC fuses in the RV to worry about for the generator operation since the generator's DC power feed (for the control circuits) is taken from this point, rather than having a separate DC power supply for the controls. There's usually a DC fuse (or a few) for the lower-power control circuits.

If the fuses, etc. check out, it's possible the starter solenoid on the generator could be bad or have become disconnected, or something along those lines, though generally I might expect an error code to come up if that's the case.

CA Traveler wrote:
Check DC fuses and wiring.

yes but we can’t find the large hi amp manual reset breaker. All fuses are good

Where is the manual reset high amp breaker

Check DC fuses and wiring.

Sounds like you have lost all 12 volt power to the generator.

Look on the generator. Find out what make, model and year it is. Type that into your search bar along with "No Start Problem". There will be a host of different replies, maybe even a few YouTube fixes to choose from.