I’m working on a friend of family’s 2019 John Deere gator RSX860m and changed out all the fluids, transmission oil and oil and filer. Also took out all gas and changed out gas filter. Reyes to start it and nothing happens, so I trued to jump the solenoid and that was cracked so I bought a new one and two relays. It still don’t start, the battery is fully charged and the only thing I get is a clicking sound but that’s it. By the way starter is good,and checked the brack switch and it’s good not faulty. What do I do next?