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2000 f250 7.3
today i tried using the 4x4 and no light or anything. here is what i have tried so far.
swapped the relays and also swapped them with the towing relays with no change.
not getting any voltage to the t-case shift motor
at the selector switch testing between pins 2 and 3 there is 4.3 volts with switch in 2wd 2.4 volts at 4 high and 1.09 volts at 4 low.
any suggestions on where to go from here? it worked fine 3 days ago.