Either a router connection and a modem, or a USB Stick Modem.
Ethernet cable or a special usb cable A-B
put a usb in your laptop and transfer your ethernet file to the usb then place it where ever you want to have ethernet
You need to plug the ethernet cable into a port located on the back of the console, near the hard drive.
yes
Yes. You need a wireless network adapter card in your laptop or computer and a wireless router
No.
You need a XSATA Hookup/cable or an Xplorer 360 Hookup/cable.
The letter WAN means Wide Area Network and basically means a network connection to a wide network, which is considered your ISP. It is a simple hookup, either modem to computer or modem to router to computer.
The diagnostic connector is under the dash on the driver side.
It is under the hood, along the harness on the top of the firewall.
Is there a washer hookup in the apartment?
Most under dash driver's side. There isn't an OBD port on a 1986 ranger!!