This is the same for me on my Liberty Z: PTO switch. I had already replaced two Starter Solenoids and it cranked intermittently; then before ordering another solenoid, I looked through the interwebs (again) and thankfully I came across this thread. I ordered a cheap PTO switch on ebay, and installed easily with the removal of (3) 7/16" hex bolts to access the back of the mounting plate. The plug looked somewhat pulled away, too. I did the PTO switch swap in minutes, then I also installed a freshly charged battery. Boom - cranked and cut my yard. (Note: The other battery was down to 10.6V but did began to click and whirl with the new PTO switch.)