Yes the do it's part of the ETCM ( Electronic Transmission Control Module) and it connects to the engine.
no
That year model did not have a modulator valve on the transmission.
The factory transmission that belongs in that 94 model did not use are have a modulator valve. But to answer your question the line goes to any intake vacuum source. That year truck should have the 4L60E transmission in it.
A 1994 Dodge Ram does not have a modulator.
Where is the transmission modular valve located on my 1994 Chevy 1500 pickup truck
The vacuum modulator on a 1989 Chevy K-1500 4wd 5.7 is underneath the transmission. It can be reached from under the car.
No there is not.
we need a vacuum diagram for replacement 1997 dodge 1500 4x4
It is on the drivers rear of the intake. It has two vacuum lines and a two wire plug.
Where is the EGR valve located on a 1995 dodge 1500 5.2 liter
That transmission is COMPUTER CONTROLLED and does NOT have a modulator valve. If you are having transmission problems then you need to have the transmission scanned with an OBDII engine scanner to see what is going on.
Vacuum