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 382 of 1364

TM9-2350-238-20-1

2-12. ELECTRICAL CIRCUIT TROUBLESHOOTING (CONT).

Step 1.

Connect 24-volt power source to oil reservoir heater slave receptacle.

Disconnect overheat thermostat to relay branched wiring harness from oil

reservoir heater. Place red probe in socket B. Ground black probe. If

multimeter indicates about 24 volts, go to step 2. If multimeter indicates no

voltage, repair overheat thermostat to relay branched wiring harness. Refer

to page 2-371. Connect wiring harness.

Step 2.

Disconnect relay and disconnect to slave receptacle special cable assembly

from relay. Place red probe in connector. Ground black probe. If

multimeter indicates about 24 volts, go to step 3. If multimeter indicates no

voltage, repair relay and disconnect to slave receptacle special cable

assembly between relay and circuit breaker. Refer to page 2-584. Connect

lead.

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