It is the two wire sensor on the lower rear driver side of the transmission.
Dodge does not have a 6.0L engine.
NV 4500
There is nothing adjustable about a 5 speed trans.
20012001
10-18
ask your local dodge dealer
The manual is, the auto is a 4 speed.
1600-2100 rpms
5.9L Cummins 24 valve
An orifice tube can be removed on the 1999 Dodge Ram 3500 by cutting it out of the liquid line. It is actually easier to replace the whole evaporator tube than just the orifice tube.
The engine computer is also the regulator.