have a cub cadet ltx 1040 model 13rx90ar056 with kohler engine sv590-0220. the unit will not start or turn over, have replaced battery, solenoid, seat switch, pto switch, brake switch and installed new inginition switch module , fuse good still nothing any clues would be very helpful thanks
Sounds like a brake/clutch safety switch issue possibly.
With the deck disengaged and the brake locked, turn the key on, then jumper across the start solenoid with a screwdriver and see if it will crank and start.