Yup, that is it.
In looking at the Wiring Diagram, it looks like you have to (a) sit in the seat, (b) depress the brake pedal, and (c) have the PTO switch in the off position. Is that being accomplished ??
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Roland Bedell
CC Models: 100, 105, 1450, 782, (2) 784, & 2072
Buy: Made in the USA 