where is the stop switch terminal located at on the motor or mower wherever it is at?

again i have tried to explain this and other questions but this project seems to be getting the best of you the stop switch is located on the engine throttle control plate im just curious have you read about this model in the briggs manual offered for download on this site they are very informative hope it all turns out

i got the wireing diagrom but that is the only thing i have.