Billet Aluminum Steering Wheel Mounted Trim Switch with Curly Cord and Diode Kit 

Steering Wheel Mounted Trim Switch & Diode Kit for use with Hydraulic Place Diverter

Don't want to take your hands off that steering wheel on those high speed runs or maybe you're just looking for more convenience then this is the answer This water resistant Billet Aluminum switch can be attached directly to your steering wheel.