Where is the exact location of Drivers side door jamb switch that operates dome and interior lights on 1996 Mercury Sable station wagon?

The exact location of the driver's side door jamb switch on a 1996 Mercury Sable station wagon is within the driver's side door jamb itself. It's not easily visible without removing the door jamb switch panel.

You'll find it on the striker plate side of the door jamb, meaning the part of the door frame that the door latches onto. It's usually a small, rectangular or square-shaped switch housed within a plastic or metal enclosure, often tucked in near where the door latch mechanism is located. You'll likely need to remove or partially remove the inner door panel to access and inspect it.