Another Welcome to ya, and that's a good look'in truck, you have there. If it's a 2 spd. rear axle, it will have a diaphram bolted to the left side of the hogs head, facing the front of the truck, with vacuum hoses attached to it. It will also have a round lever actuated swith mounted below the dash between the steering column, & ignition switch. If you want to see what a COE (cabover engine) truck looks like, click the link below.
