35390-ZW1-003 Power Trim-Tilt Sw - Overview. The 35390-ZW1-003 Power Trim-Tilt Switch is a crucial control component in the Honda marine engine systems, designed specifically for the power trim and tilt mechanism. This switch allows boat operators to efficiently adjust the angle of the outboard motor, optimizing boat performance and handling in various water conditions. As a genuine OEM Honda part, it ensures reliable operation and seamless integration with factory-installed marine systems, main