98 Explorer Door Lock question

The driver's door switch will not unlock the doors. The lock mechanism is fine. The switch will lock the doors, the passenger side and the
remote (which is tied into the passenger side door) will lock and unlock. The feature that allows the drivers key to unlock the doors when opening the doors works ok. Is there a relay somewhere to check, or does it use the same as the passenger side? Wire is pink with lt green tracer that should have 12 volts on it OC, but doesn't. Where does it go to?
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