I AM WORKING ON A 9 OF 1999 F-350 4X4 7.3L PICKUP WITH DUALS SHIFT ON THE FLY HAS NO POWER NO GROUND, SHIFT MOTOR IS NEW, FUSES ALL GOOD, ALL IN THE PROPER PLACES, RELAYS HAVE POWER & GROUND NO SIGNAL
NEED MORE INFO ON THE SHIFT ON THE FLY SWITCH ,IS THERE ANYTHING
ELSE OTHER THAN THE GEM MODULE THAT CONTROLS THE 4X4 IN THIS
TRUCK. TRNSFER CASE MOTOR NEW, FUSES ALL GOOD , RELAYS HAVE
POWER,GROUND,NO SIGNAL,SWITCH AT DASH NO POWER,HAVENT CHECKED
SWITCH FOR GROUND,NO LIGHTS IN DASH UNTIL YOU CRANK THE
ENGINE,THEN THEY LIGHT UP, PLEASE HELP.