kpk4987

I appreciate all the replies. The starter lug has broken off from corrosion, I had the starter replaced by a mobile truck mechanic, all is good now. I replaced that breaker with a 30a fuse.

Found the switch, still nothing.

The battery boost switch works, I've used it in the past. I actually tried it just now and still nothing. The generator fires up immediately. I don't think I have a rear control switch, I've never seen it at least. Where is that switch normally mounted?

2009 Dynasty with ISM. Drove it home from Cummins yesterday (generator/ dash AC repair), started the motorhome 3x between the dealership and my house, it ran great. Went out to move it today, turned key (all sensors/lights come on, the airbags click, all normal), and absolutely nothing happens. It acts totally normal, until the key is turned, and instead of the mighty 500hp beast coming to life, I'm left with silence. The batteries are good, I turned the battery switches off for 5 min trying to reset the system, no change. It's almost like there's a safety switch or something that's keeping it from activating the starter. Anyone have ideas? I am not a mechanic but I'm thinking I may have to call one to the house.