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 124 of 1364

TM 9-2350-238-20-1

2-12. ELECTRICAL CIRCUIT TROUBLESHOOTING (CONT).

Step 2.

Disconnect lead 459B (to rectifier) from circuit breaker. Place red probe in

circuit breaker and ground black probe. If multimeter indicates no voltage,

go to step 4. If multimeter indicates about 24 volts, replace rectifier. Refer

to page 2-590. Connect lead 459B to circuit breaker.

Step 3.

Disconnect both leads 459 from MASTER switch. Place red probe in lead

459

and ground black probe. Check voltage in both leads 459. If

multimeter indicates no voltage in either lead, connect leads 459 to

MASTER switch and go to step 5. If multimeter indicates about 24 volts in

one lead, connect the lead 459 that measures about 24 volts to MASTER

switch and go to step 6.

2-98