Where is the wiper motor on a 1994 Jeep Wrangler?

On a 1994 Jeep Wrangler (YJ), the wiper motor is located under the cowl, behind the dashboard. You'll need to access it from inside the vehicle. To reach it, you'll likely need to remove parts of the dashboard or at least some trim panels. It's generally a somewhat involved process requiring patience and some mechanical aptitude.