4x4 switch does not operate on 1993 Ford Ranger

checked fuse ok i don't think its getting power

Asked by for the 1993 Ford Ranger
Your Ranger has a transfer case motor that the switch operates when selected ( cardone industries #48-206 ) better off having a tech diagnose this before replacing parts.
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i had the same problem, my wire harness attached to differential had some crimped wires, moved them around until it worked, temporary fix