Toro GROUNDSMASTER 345 - Manual (Page 61)

TORO GM 345 / 325-D Electrical Systems
Notes
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59
Interlock Circuit
Normal Operation.
1. With an operator in the seat and the PTO engaged, the PTO switch opens.
2. Current flows through the seat switch to the “A” terminal of the ignition switch.
3. In the run position, the power flows from the “A” terminal to the “I” terminal.
4. From the “I” terminal power flows to the ignition system.