On my '53 winch truck the control is a lever in the floor to the left of the shifter.
On my '53 grain bed the PTO is operated by a cable mounted under the dash below the light switch and the up/down is a lever in the floor between the driver's legs.

"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.