my tilt/trim works fine at low speeds.but when on plane it does not work at all or is very unnoticable .this is driving me nuts.(23'wellcraft sportsman)used in saltwater.any help would great.
The most common cause is the trim motor itself. Sometimes you can dissassemble the motor and clean the armature to cure it, Excellent time to change the brushes if the debris from them has coated the armature.