Contact your local Ford dealer. Ask for the PARTS department and when you get through ask them. They will probably know the manufacturer.
yes
It is most likely an integrated part of the radio itself.
Either behind the factory radio or under the passenger side kick panel
On a 2007 Ford Ranger : Open the drivers door , and on the latch pillar is an information sticker It will show the original size of tires on the vehicle from the factory
depending on the raido, there is a special tools, there shaped like a u. you can get them at most parts stores.
Replace the radio.
sfn
How to remove the factory radio and disconnect wirring harnes in a 2004 f150 ford truck
with a crowbar
On a 99 ford Ranger it is located right next the radio on the drivers side behind the dash. Remove the radio and you will see in bolted on the left side of the radio hole.
On a 2007 Ford Ranger : The SuperCab version holds ( 19.5 U.S. gallons / 73.8 litres )
" regular " unleaded , 87 octane for your 1994 Ford Ranger 2.3 ( from the factory )