Ha.. been searching all day and this is by far the most closely related scenario to what im seeing on this truck.. all the other threads usually blame the actuator but since i can trick the actuator into working and 4wd works, i know its electrical.. ill have to check that TC switch in the...
Did you ever figure out why you were not getting 12v to the blue green VSV?? Im having the same issue on a 97 limited truck with the push button 4wd on the shifter stick.. I can trick the truck into 4wd by swapping the vac lines so all the wheels pull, but the VSV to ENGAGE isnt getting 12v..