How do you check the fluid in a manual transmission 1991 ford ranger?

To check the fluid in a manual transmission of a 1991 Ford Ranger, first ensure the vehicle is on a level surface. Locate the fill plug on the side of the transmission; it typically requires a wrench to remove. Insert a finger into the hole; the fluid level should be just below the fill hole. If necessary, add the appropriate Transmission Fluid until it reaches the correct level.