I would like to continuity test my 2001 Ranger 4WD dash Selector Switch for continuity because my 4WD isn't engaging when I turn my selector **** from 2WD to 4WDH/4WDL. Does anyone have the ohm readings I should be getting when touching the 4 blades/pins on the switch itself? I would also like the pin combinations for 2WD/4WDH/4WDL for testing the ohms. Thanks for your help!