You need to go to a car parts store, and get a repair manual for your car. They cost about $16.00
I had this problem before on a ranger you have to pull the dash board out and it will be right there.
How to change dash lights on a 95 Ford Ranger?
How do your remove the dashboard on a 2000 Ford Ranger?
A 1994 Ford Ranger is OBD I / EEC IV and has an EEC TEST connection in the engine compartment by the power distribution box In 1996 , the Ford Ranger changed from OBD I / EEC IV to OBD II / EEC V and has a Data Link Connector in the dash , below the steering wheel , covered by a small removable plastic panel
4x4 dash lights not working 94 ranger
The 2004 Ford Ranger OBD 2 port is under dash below or left of steering column
fuse box or heater box depends what side of dash
In my 94 ranger ext cab, it's under the dash on driver's side
Bad dash ground.
On a 2001 Ford Ranger : If you have selected 4X4 HIGH , yes , you should see (4WD in your dash ) If you have selected 4X4 LOW , yes , you should see (4WD LOW in your dash )
Most under dash driver's side. There isn't an OBD port on a 1986 ranger!!
On a 1998 Ford Ranger : Open the drivers door and in the drivers end of the dash you will see the removable plastic fuse panel cover