TM 9-2320-209-20-3-3 18-71. 115-VOLT DOME LIGHT SWITCH REMOVAL AND REPLACEMENT. TOOLS: Flat-tip screwdriver 3-inch extension 7/16-inch socket wrench Ratchet Light ballpeen hammer 7/16-inch wrench Punch SUPPLIES: Tags PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Preliminary Procedures. (1) Disconnect battery ground cable. Refer to Part 1, para 7-58. (2) Disconnect main plug from receptacle outside van. Refer to TM 9-2320-209-10. (3) Turn off main power switch. Refer to TM 9-2320-209-10. (4) Turn off all circuit breakers. Refer to TM 9-2320-209-10. b. Removal. FRAME 1 1. Using screwdriver, unscrew and take out two screws (1). 2. Pull cover (2) away from box (3) and turn cover around. GO TO FRAME 2 18-375