Report Stumped. RV won't start, not a battery problem in Class A Posted April 16, 2018 1 hour ago, Ronbo said: Where are you located? I would replace the switch first. It is bad. When I had a class A I had fuses under the hood and also above my left foot. There should be a relay near the batteries that the switch controls. Follow the positive cable and you should find it. If you have volt meter check voltage at starter solenoid when the key is turned. I am in Bushnell, FL. I've known for years that I SHOULD have a meter. I guess this is my wake up call! Harbor Freight is in Leesburg; I guess I'm going there tomorrow. I do need a 2nd person here to help, so all this will have to wait for tomorrow. Judging by what you've said, it does sound like that switch is bad, or a fuse between that switch and the battery is gone. In no hurry right at this moment. Just discovered that SECO Energy did not turn on the electric at my new site. My spoiled self uses too much power for me to go over there without hookups, so I'll get a meter and get another pair of hands, and take my time getting this right. I may be getting back to you! Thanks so much. Ron.