TM 9-2320-209-20-3-1 7-33. BLACKOUT STOPLIGHT ASSEMBLY (RIGHT SIDE ONLY) REPAIR. TOOLS: Flat-tip screwdriver SUPPLIES: None PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, handbrake set, main light switch in OFF position. a. Preliminary Procedure. Remove blackout stoplight lamp. Refer to para 7-32. — b. Disassemble. NOTE On some trucks the blackout stoplight is on top of mounting bracket and on others it is under mounting brackets. 1. Using screwdriver, unscrew and take out two screws (1). Take ground wire (2) off one screw. 2. Take lamp socket and wire assembly (3) out of light housing (4). 3. Pull positive lead (5) out of plug (6). END OF TASK 7-137