Automatic transmission fluid.
The transfer case on a 2004 Ram uses ATF+4.
It is on the back of the transfer case, takes a 10mm Allen wrench to remove.
ATFATF
yes you can put the same fluid in the transfer case.
A 2002 Ram transfer case uses ATF+4 transmission fluid.
Automatic transmission fluid.
Atf
It uses ATF
22
ATF+4
Transfer case gets ATF (auto trans fluid) Axles get 75w90 or 80w90 gear oil.
Fill plug is located on the center rear of the transfer case