Starter swap?

The starter from a 1986 Ford with a 4.0L engine may not be directly compatible with a 1995 Ford Ranger with a 3.0L engine but if they look the same then yes, I would install it. Here is how the job is done:

This guide can help walk you through the repairs with instructions below for your car.

https://www.2carpros.com/articles/how-to-replace-a-starter-motor

Check out the images (below). Let us know if you need anything else.