The jack is usually mounted on the right front fender, under the hood. If you are using a floor or bottle jack, you can use any horizontal part of the frame rails as a lift point.
Its on the axels, see owner manual
Under the passenger seat.
on the steering colum
Doesn't have one.
The 2002 Jeep Wrangler OBD 2 port is below instrument panel, left of brake pedal
Under the passenger front seat.
On the 2011 model, it's on the trunk under the carpet
Inside the fuel tank.
The flasher is internal to the body computer,
No abs on the 97.
The Electronic Control Module (computer) on a 1989 Jeep Wrangler is house in a metal case on the firewall. It is on the passenger side of the engine compartment.
Under the front passenger seat.