We have an older JD L110 with a 17.5 Kholer engine. It runs and cuts great thanks to regular maintenance and new deck spindles. There is one minor issue. It wont start with the ignition key. Tried new solenoid and checked the switch. I have been starting it by turning the ignition to on and shorting across the solenoid terminals with a screw driver. Fires right up and runs great. At this point it is a minor inconvenience since I just keep a screw driver in the mesh carrier on thee side and we only mow once a week anyway. On the other hand it might be nice to be able to start it with the key. any suggestions?