'03 model
- Remove the tailgate trim panel (see TRIM REMOVAL/INSTALLATION - TAILGATE AREA ).
- Disconnect the 3P connector from the tailgate latch switch.
- Check for continuity between the 2 and 3 terminals in each switch position.
- There should be continuity with the tailgate in the open position.
- There should be no continuity with the tailgate in the closed position.
- If the continuity is not as specified, replace the switch.