Small Engine Troubleshooting Problems? Ask a Mechanic Now.
Begin by checking the output from the main windings. These are accessed by removing the rectangular cover below the front control panel.
Disconnect the double red, double blue, double white and double black wire connectors from the cycloconverter and pull them out slightly so they are not contacting the terminals or each other. Start the engine and use a multimeter to measure ac volts between the red & black wires, white & black wires and the blue & black wires. What voltages do you get?
Reconnect the previously disconnected wires. Disconnect the small two pin connector with the orange and gray wires. Start the engine and measure the ac voltage from the orange and gray wires. What voltage did you get?