TM 9-2320-361-10 2-5. BODY EQUIPMENT CONTROLS AND INDICATORS (Contd) Key 6 7 8 9 10 11 12 Item and Function Molding Receptacles provide a means of connecting electrically operated shop tools to the power source. Communications Door provides a ready means of sending/receiving communications. Operation Blackout Switch controls dome lights in the 115-volt AC system. Circuit Break Box has four circuit breakers which control van body circuits. Power Switch controls all power to van body electrical circuits except the 24-volt AC-DC converter for exhaust blower. Converter selector Switch is used to choose desired voltage. Exhaust Blower Switch controls power to exhaust blower. 2-17