hey insane4fbodys, you're right that solenoid doesn't have any type of vacum lines to it, and mine is an electric shift type model. there is a switch on the side of the 3rd member the vacum hose that pulls on the actuator and there is a switch with a harness is plugged in. this is the switch that needs checking?
there is no check 4x4 light coming on either so there must be some minor thing im not seeing