Where is the computer located on a 1994 Chevy Caprice?

There is no computer in the sense of a standalone box in a 1994 Chevy Caprice. The electronic control module (ECM), often called the computer, is part of the vehicle's electrical system and is usually located under the hood, often near the firewall. It's a relatively small, black box. The exact location might vary slightly depending on the specific model and options. You would likely need to consult a repair manual or online forums dedicated to 1994 Caprices to find the precise location for that year and model.