Assuming you mean the front axle 4WD actuator, it is on the passenger side of the front axle housing.
A 1994 Ram 1500 has a Dana44 front axle. A 2500/3500 has a Dana60 front axle.
There are speed sensors on the transmission, on the rear axle, and at the front wheel hubs.
The 1500 4X4 went to the independent front axle in 2002. The 2500 and 3500 4X4's still have a solid front axle.
Top of rear axle, and it may also have them at the front wheel bearings.Top of rear axle, and it may also have them at the front wheel bearings.
The front axle uses 80W90.
Top of the rear axle.
The 2000 Ram had u joints, not cv joints at the front axle.
1 and 11/16 in
The front axle uses 80W90.
The 1500 has a Dana 44 The 2500 and 3500 has a Dana 60
It is on top of the center of the rear axle.
Front is a 9.25 inch from American Axle Rear is a 10.5 inch from American Axle.