Change 1          2-1237 TM 9-2320-365-20-2 WARNING Remove rings, bracelets, watches, necklaces, and any other jewelry before working around vehicle.  Jewelry can catch on equipment and cause injury or short across electrical circuits and cause severe burns or electrical shock. CAUTION Use care when testing electrical connectors. Do not damage connector pins or sockets with multimeter probes.  Failure to comply may result in damage to equipment. NOTE Inspect connector pins/sockets for damage, corrosion, and serviceability.  Check that connector pins are not pushed back and are capable of making good contact. VOLTAGE TEST   (1)  Push in circuit breaker CB11 (TM 9-2320-         365-10).   (2)  Push in circuit breaker CB10 (TM 9-2320-         365-10).   (3)  Position INTERIOR LIGHTS switch S32 to         ON (TM 9-2320-365-10).   (4)  Position LIGHTS/BLACKOUT OVERRIDE         switch S33 to BLACKOUT OVERRIDE         (TM 9-2320-365-10).   (5)  Set multimeter to volts DC.   (6)  Connect positive (+) probe of multimeter         to socket 2 of P connector. Refer to         Table 2-15. M1079 Emergency Light         Locations and Connector Numbers.   (7)  Connect negative (-) probe of multimeter         to ground and note reading on multimeter.   (8)  If 24 VDC is not present, repair or replace         wire 38B (para 2-40).   (9)  If 24 VDC is present, repair or replace wire         3086 (para 2-40). (10)  Position LIGHTS/BLACKOUT OVERRIDE         switch S33 to BLACKOUT (TM 9-2320-         365-10). (11)  Position INTERIOR LIGHTS switch to OFF         (TM 9-2320-365-10). (12)  Pull out circuit breaker CB10 (TM 9-2320-         365-10). (13)  Pull out circuit breaker CB11 (TM 9-2320-         365-10). (14)  Install M1079 emergency light         (para 16-58).