There is no drain plug. Only a fill plug. You have to remove the cover to drain the rear end. Use RTV to reseal it.
Uniess it has an aftermarket cover with a drain plug the only way is to remove the cover on the rear of the housing. (can be messy)
Either at the bottom or rear of the radiator
In the bottom of the oil pan, some older models have a front & rear drain plug
at the rear of the sump.
rear side of oil pan
Look at the bottom or rear bottom of the radiator or remove the lower radiator hose
front or rear? the front is slightly higher and rear of the drain... the back has a cover you remove to drain the fluid and a fill on the front of the diff..
The oil drain plug on the 2000 Ford Ranger is on the rear of the oil pan. It is located under the vehicle near the center.
Either at the rear or side of the oil pan
On a 1993 Ford Mustang : Open the trunk lid or the hatch Between the rear tail lights you will see an oval shaped rubber plug The inertia switch is behind the rubber plug
The 2006 Ford Mustang has 34.7 in. of rear head room.
The 2004 Ford Mustang has 47.4 in. of rear hip room.