F 350 4WD Pickup V8-351 5.8L VIN H EFI (1997)
Dome Lamp Switch: Service and Repair
Removal
1. Unscrew the hex sleeve nut from the pillar.
2. Extract the courtesy lamp switch and pull the main wiring off the courtesy lamp switch.
3. Retention of courtesy lamp switch to the main wiring is by one of three tabs positioned 120 degrees apart on the courtesy lamp switch. If, when
the courtesy lamp switch is disconnected from the main wiring, the engaged locking tab breaks off, the courtesy lamp switch must be rotated 120
degrees to engage a new tab. If all three tabs have been broken, the courtesy lamp switch must be replaced.
Installation
1. To install the courtesy lamp switch in the pillar, pull the main wiring through the mounting hole in the pillar.
2. Install courtesy lamp switch to the main wiring.
3. Twist the main wiring and courtesy lamp switch 4-1/2 turns counterclockwise and push the main wiring back through the mounting hole.
4. Screw the courtesy lamp switch clockwise into the pillar until seated.
5. Close and open the door to make sure interior lamp is operating properly.
