Where is the freeze plug located on a 2000 Jeep Cherokee Sport 4.0L I-6 for use to install an engine block heater?

I have a 94 Grand Cherokee, and the Block heater is on the drivers side front of the block. From under the front, you can see it, about 1/2 way up. Your plug, as your asking, if I get it right, comes out from there, just follow the cord till you find the end.