DOES A 1995 E350 VAN HAVE A COMPUTER HOOKUP AND WHERE IS IT?

Yes, a 1995 Ford E350 van does have a computer hookup, commonly referred to as an OBD-I (On-Board Diagnostics) port. This port is typically located under the dashboard, near the driver's side, often around the area where the steering column meets the dashboard. To access it, you may need to remove a cover or panel.