TM 9-2320-209-20-3-1 7-35. FRONT MARKER LAMPS REMOVAL AND REPLACEMENT. TOOLS: Flat-tip screwdriver SUPPLIES: None PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Removal. 1. Using screwdriver, unscrew six screws (1) in light door (2). Takeoff light door and gasket (3). 2. Take out three lamps (4) by pushing them in and turning them 1/4 turn to left. END OF TASK 7-144