What a bunch of great info. Thanks. Sorry for the late reply, I was out of town.Yo Ride,
"1985 Dome Light; by Automobile Repair Reference Center (ARRC);
Carefully pry the dome lamp lens, at the corners, from the housing.
Remove the 2 screws attaching the map lamp lens housing to the lamp base and remove the bulbs. The lamp base is retained to the roof by 4 screws.
Installation is the reverse of removal."
I believe 86 is similar to your 85; Taurus Dome Light Upgrade in an 86 by member Sixlitre at 1986 Ford Bronco Newer Dome Light Upgrade pictures, videos, and sounds | SuperMotors.net
Dome Connector Corrosion in Driver's Side B Pillar pic; "...This is a picture of the connector behind the driver side seat belt retractor. This is a common area of problems. On mine, the wires had corroded and fell out of the connector. green wire had corroded on the connector and preventing power getting to the dome light..."
Source: by Jem270 at SuperMotors