For your manual transmission , I believe it is on the drivers side
For a 1994 Ford Ranger, the manufacturer's recommendation is DEXRON-MERCON automatic transmission fluid.
ATF
I know that a 1994 ranger with a manual trans. uses automatic trans. fluid
there is a small plug in the side of the tranny you need to take the plug out if you can see the fluid it is ok should be level with the hole.
I believe the manual transmission uses MERCON automatic transmission fluid
On a 1994 Ford Ranger : For transmission code " M " ( 5.6 U.S. pints of MERCON automatic transmission fluid is used in the 5 speed manual transmission , made by Mazda ) according to www . the ranger station . com ( no spaces )
There is a fill plug on the side of the 1994 Camaro transmission. Remove the plug to check the fluid. The fluid should be high enough to be just before running out of the plug hole.
For a 1994 Ford Ranger ( for North America ) The 5 speed manual transmission takes : ( 2.8 U.S. quarts of MERCON automatic transmission fluid )
Idling in neutral.
On a 1994 Ford Ranger : The 5 speed manual transmission takes ( 2.8 U.S. quarts of MERCON automatic transmission fluid ) ( transmission code " M " / Mazda )
Check for a vacuum module on the transmission. If you see a vacuum line between the transmission and engine, disconnect the line and look for transmission fluid inside the line. If you see transmission fluid in the line, replace the vacuum module. It probably has a split or damaged diaphragm inside.
Should be a plug at the side of the transmission- fill to this level