1999 Contessa Naples, 3126 CAT. Key switch no longer turns the engine over. This is a new problem. The RV has driven well up to now. Engine starts from remote in rear of coach but as soon as I attach one of the two wires shown in the photo, the engine quits. I've struggled with a short that drains the chassis batteries for quite some time. What are the two wires for? The transmission panel is not activated so I can't shift. I clearly have a short and maybe a solenoid issue? I'll add photos after this. The RV has been under repair fixing the entire inside for a few years. I'm gonna use it to temporarily live in during our home construction but I can't drive it. Big Problem if I can't move the RV!