Start by identifying the way in which it's "broken". That needs to be done in order to determine what repair needs to be made.
A 1999 Ram does not have a transfer case control module.
Turn on the 4wd light.
Rear axle, 75w90. Transfer case, atf+4.
on top of the transfer case. You should see 4 vacuum lines going to the top of the switch
Two options: NV231 and NV242. There is a tag on the rear of the transfer case that will have the model number on it.
The first step to any successful repair is diagnosis. If you can't identify exactly what's wrong with it, you won't be able to make that repair.
No
A 1995 Dodge Ram does not have a transfer case control module. The transfer case is mechanically controlled.
On a Dodge truck, the vacuum switch is on the transfer case.On a Dodge truck, the vacuum switch is on the transfer case.
No
no
It is on the back of the transfer case, takes a 10mm Allen wrench to remove.