I'm going to throw this out there and see if anyone has suggestions. I bought a newer, larger motorhome a few months ago and I need to sell my old one. I'm having a problem with the old one. We'...
On my 5.9 cummins the signal from the key switch goes to one solenoid inside the engine compartment which has to activate before the current goes to the starter solenoid. The terminal had come loose on the first solenoid on mine and gave starting problems. I also replaced the wire from the steering column to the solenoid as it was shakey. No problems since. After 20+ years of bouncing around on the road, we need to keep vigilant of electrical connections and wires.