TM 9-2320-209-20-3-1 7-65. HEADLIGHT DIMMER SWITCH REMOVAL AND REPLACEMENT. TOOLS: Cross-tip screwdriver (Phillips type) SUPPLIES: None PERSONNEL: TWO EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Preliminary Procedures. (1) Open hood and left side panel. Refer to TM 9-2320-209-10. (2) Remove battery ground cable. Refer to para 7-58. CAUTION Make sure that main light switch is set to OFF position or electrical damage may result. b. Removal. 1. Using screwdriver, unscrew and take out two screws (1) and starwashers (2). 2. Push dimmer switch plunger (3) through hole in floor. GO TO FRAME 2 7-250