Honda BF35A-BF45A Outboard Motors Shop Manual., Page 221Get this manual
HONDA BF35A45A
POWER TRIMTILT SYSTEM
The BF35Ae45A has type equipped with the power trimtilt system which hydraulically raiseslowers the outboard by simply pressing on the switch-
1Power trimtilt motor drive system
The power trimtilt switch and power tilt switch are installed on the control knob of the remote control box and on the left side of the outboard under casePress the either one of these switches, and the relay activates and controls the rotating direction of the motor, and the outboard is raisedllowered by the hydraulic cylinder