1996 Ford Ranger, no power to domelight, cargo light, glovebox light, maplights, underhood light, warning buzzers or windshield wipers. Everything else works fine. No wiring diagrams available. Those I can find are incomplete and/or inaccurate.

Dome light circuit live at all times. Wipers usually work with ignition.
You may have 2 problems.

Test for power to both sides of fuses. If no power to both sides, No immediate worry.
$5 Tester from auto parts store. (Plastic housing, bulb inside. Metal Point(to touch fuse)
Has wire with alligator clip to connect to ground.
May have under dash and under hood fuse panel.