Chrysler 100, 115 and 140 HP Outboard Motors Service Manual, OB 3439, Page 194Get this manual
Subsection
_ POWER TRIMTILT UNIT
GENERAL
The power trim unit (standard on Charger, optional on others) provides infinite trim adjustment throughout the normal lock-bar range When the trim cylinder is fully extended, hydraulic pressure is routed to second cylinder (tilt cylinder) which raises the engine for beachinglaunching or traileringThe trim unit is controlled by control switch mounted on the dash (standard) or on the throttle handle (optional) The switch has self-centering single pole, double throw designAn electric motor receivescurrent from the control switch The double pole switch directs current to one of two field windings which cause the motor to revolve clockwise (lift) or counterclockwise (lower)