TM-9-2350-238-20-1

HULL AND RELATED COMPONENTS RECOVERY VEHICLE, FULL TRACKED: LIGHT, ARMORED, M578

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL

MAY 1994

TM-9-2350-238-20-1 - Page 212 of 1364

TM 9-2350-238-20-1

2-12. ELECTRICAL CIRCUIT TROUBLESHOOTING (CONT).

Make sure MASTER switch is OFF before repairing

electrical circuits. Failure to observe this warning

could result in injury to personnel.

Step 3.

Disconnect wiring harness from warning horn relay. Place red probe in

plug socket A. Ground black probe. Set MASTER switch ON. Set INST

switch ON. If multimeter indicates about 24 volts, go to step 4. If

multimeter indicates no voltage, repair lead 506 between plug socket A

and circuit breaker. Refer to page 2-371. Connect wiring harness. Set

MASTER switch OFF. Set INST switch OFF.

2-186