SunlitComet
OBS Jedi-Do Good
Tranny in then adapter then t-case with a seal between tranny - adapter and a gasket between adapter - t-case. You will find some fluid that will leak over a lot of time but if it is pouring out a bushing or seal is worn on the t-case or tranny. Below is a pictorial of the setup. #10 is GM 1258899 and number #8 is gm 24245110. You can get them at the dealers, online and very likely at your local parts store.
http://www.genmotorinfo.com/Picture.aspx?Make=Chevrolet&Model=Tahoe&Year=1995&SubModel=4WD&SectionID=04&SectionDesc=AUTOMATIC%20TRANSMISSION&PicDesc=TRANSFER+CASE+ADAPTER+-+K+&pid=950331TC04-304
http://www.genmotorinfo.com/Picture.aspx?Make=Chevrolet&Model=Tahoe&Year=1995&SubModel=4WD&SectionID=04&SectionDesc=AUTOMATIC%20TRANSMISSION&PicDesc=TRANSFER+CASE+ADAPTER+-+K+&pid=950331TC04-304