good news, AGCO parts are warr for 1 year. The only thing that will cause motor to fail is a faulty motor to start with or a voltage continuance causing it to run against the old clutch or a dead stop. Voltage spike not a problem unless it it lightning.... suggest check out system for bad switch or short to power to motor wires. One can wire in a light - one wire to + one to - into the harness to check for system problems or over activity,,, something my wife has not accused me of in a long time....